Tags Posts tagged with "Flowers"

Flowers

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The Smithtown Library. File photo by Rachel Shapiro

Join the Smithtown Library for its bus trip to the Philadelphia Flower Show on Monday, March 7.

This year’s theme, Explore America, honors the 100th anniversary of the National Park Service and the century’s most scenic landscapes and historic sites.

The Philadelphia Flower Show is the longest-running and largest indoor flower show in the world. Visitors will be treated to fabulous design and events including live entertainment, culinary demonstrations, gardening how-to workshops and lectures by experts.

A staff member will greet everybody in the Kings Park branch parking lot to board the bus at 6:45 a.m. The branch is located at 1 Church St.

Attendees can enjoy lunch at the flower show or visit Reading Terminal Market located across the street.

The bus will depart the flower show at approximately 4:30 p.m. to return home.

Registration is required. The nonrefundable fee for this program is $79 per person, which includes all expenses and gratuities. For more information, please call 631-360-2480, ext. 235.

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Above, the eastern prickly pear cactus. File photo

By Ellen Barcel

Last week I wrote a column about planning a garden with the idea of making jams and jellies out of unusual plants: passionfruit, beautyberry and even Kousa dogwood. All are beautiful landscape plants but have the added bonus of edible fruit.

Well, there’s another fruit that can be used to make jams and jellies, as well as wine, and has the added benefit that it doesn’t need a lot of water since it’s a cactus. Opuntia, the prickly pear cactus, is native to much of North America and was most likely first used as food in Mexico, where it was known by the Aztec name “nopal.”

In the spring, the clumps of the cacti are filled with beautiful yellow flowers, which are followed later in the growing season by the fruit. Yes, Opuntia are flowering plants and like all true cacti are originally native to the Americas although they have been introduced to many other parts of the world.

The cactus fruit (also called cactus fig, Indian fig or “tuna” in Spanish) must be peeled carefully to remove the spines before eating. In Mexico and the American Southwest, the fruit is used in salads, soups, vegetable dishes and yes, jellies. I’ve even come across a recipe for cactus fruit gum drops that uses cactus fruit, applesauce, sugar and pectin. The pad, “nopal,” is also used in cooking.

Like so many cacti, a paddle (flat piece of the cactus) broken off from the main plant can be stuck in the ground and rooted to make more plants. Since pieces of cacti break off so easily from the main plant, this is an easy way of getting more plants.

The plants can also be grown from seed, since this is a flowering plant and the fruit does contain seeds. Like tomato plants, cut open a ripe cactus fruit, scoop out the gooey inside that has black dots and put it on some paper to dry. Separate the seeds out and plant them. On rare occasions, a plant will grow out of the fruit itself, like tomatoes can.

Remember, that cacti grow naturally in arid and semiarid climates. The worse thing that you can do to any cactus is to overwater it. In general, this is not a problem on Long Island, because despite our occasional deluges, we have sandy, i.e., well-drained, soil, so the prickly pear does well here. It even survives our winters. The paddles will dry up and sort of flatten out, but the plants will easily come back to life in spring.

If you decide to grow your prickly pear in containers, remember to make sure the containers have drainage holes and you use potting soil designed for cacti and succulents. I frequently see prickly pear cacti growing wild along the North Shore. A gardening friend of mine noted that Cedar Hill Cemetery in Port Jefferson is full of them and “the yellow flowers are beautiful.”

The fruit is ripe when, depending on variety, it is red or purple in color. Remember to be careful peeling it as it has not only large spines, but tiny ones as well, which can be very irritating.

Since there are so many varieties (I’ve read 181 species) of prickly pear, there are a number of different colors flowers. Opuntia ficus-indica (Indian fig prickly pear) is a large plant that has orange or yellow flowers, while O. basilaris (beavertail prickly pear) is a small plant but spreads. The variety that grows in the Northeast, i.e., Long Island, is called O. vulgaris, the eastern prickly pear. This is a comparatively small plant and so produces fairly small fruit.

If you find that your prickly pear isn’t bearing fruit, it’s too small, for example, you can find the fruit in many grocery stores in the produce section. These are usually from the western prickly pear and are much larger fruit.

Where you plant your cacti depends on several factors: sun (it prefers lots of sun), where the soil is dry and the ouch factor. Don’t put them near walk ways, children’s play areas or pools for obvious reasons.

Mine have survived winters outdoors but have remained small. I’m experimenting overwintering one grown in a pot indoors. When picking the fruit or transplanting the plants themselves, remember to wear gloves. Wrapping a cactus in newspaper is another way of handling it when transplanting.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions and/or comments to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

The Kousa dogwood fruit has a surprising sweet tropical flavor. Stock photo

By Ellen Barcel

Well, it’s finally winter with real winter weather. However, I just heard on the news that the first hurricane of 2016 has formed — yes, I know they don’t normally start until June 1 and the last time a hurricane formed in January was in 1938. According to CNN, it’s only the fourth known hurricane to arrive in January since records have been kept starting in 1851. Weather has been really weird this past year. The cherry tree I wrote about in December was still blooming on January 1. It will be interesting to see what spring brings.

Passionflower vines produce fruit late in the growing season. Photo by Ellen Barcel
Passionflower vines produce fruit late in the growing season. Photo by Ellen Barcel

Well, now that the cold weather is finally here (sort of), we can’t really do much in the way of gardening, except, perhaps repair some tools or clean out the garage. But, it is a great time to put your feet up by the fireplace, look out the window at the snow outside, leaf through the gardening catalogues which invariably come this time of year and plan your new garden. Perhaps you wish to make some jams or jellies from produce in your garden but want to focus on landscaping plants. Here are some possibilities. All make unique jellies and jams.

Kousa dogwood
Kousa dogwood (Cornus kousa), Japanese dogwood, is sometimes recommended as a replacement for our local dogwood (C. florida), since it is more resistant to a tree blight, anthracnose, which can kill our local species. One of the nice things about Kousa dogwood is that the fruit is edible and can be used to make jelly — I’ve tasted it and it really is good. There are a number of recipes online. The berries can also be used to make muffins. The tree does well in our acidic soil and produces beautiful white flowers in spring. It’s a small tree so won’t take over your landscaping.

Beautyberry
Like the Kousa dogwood, the beautyberry (Callicarpa americana) bush is deciduous. It is known for its brightly colored purple berries that can remain on the plant into winter providing winter interest. The berries, which have a metallic luster, will be eaten by birds, but they don’t appear to be their favorite food. Squirrels, raccoons and other small animals seem to enjoy them. The berries are edible and can be used to make jelly.

Beautyberry produces berries in the summer, but the berries stay on the plant even when leaves have fallen and winter snows fall. Photo by Ellen Barcel
Beautyberry produces berries in the summer, but the berries stay on the plant even when leaves have fallen and winter snows fall. Photo by Ellen Barcel

I planted the bush just because I like the look of the berries. The plant can grow four to eight feet tall and about as wide. It prefers light shade and a well-drained soil. This is not a problem with Long Island’s generally sandy soil. While the plant can be a specimen plant, a row of them makes an interesting, informal hedge. Remember, however, that since it is deciduous, the screening benefits will only be provided during the growing season. While it is mildly drought tolerant, it does need about an inch of water a week. So, if we go for more than a week or so without rain, water should be supplemented.

Passionflowers
Passionflowers are native to both the Americas and Asia, there being in the neighborhood of 500 species in the genus. Most have edible fruit that can be made into jelly. The vines, depending on variety, can grow up to 30 feet tall, so this is a plant that needs a trellis of some sort or can be grown as a trailing plant in a hanging basket. The flowers of Passiflora incarnata are exotic in appearance. Generally, they are purple, but some are purple and white. P. alata ‘Ruby Glow’ is purple and dark maroon — absolutely gorgeous. The plant is hardy in zones 5 to 9, and does best in full to partial sun.

Yes, there are a number of other landscaping plants that can be used to yield jelly, such as roses and sunflowers. You can also use the flowers of Queen Anne’s lace and dandelions. Remember to always check out whether the flower you are interested in is edible. If in doubt, don’t consume it.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions and/or comments to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

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Purple lunaria flowers. Photo by Ellen Barcel

By Ellen Barcel

One of the reasons I really like perennial plants is because it’s the “plant once, enjoy for many years” form of gardening. Perennials, provided they are adapted to your growing conditions (hardiness zone, fertilizer, soil pH, amount of water, etc.) will return year after year.

But, there is another way of planting once and enjoying for many years — by growing plants that are known for self-seeding. They put out seeds in the late summer and fall, the seeds survive your winter conditions and germinate the next year. Some of these are biennials, which means that the individual plant will grow back a second year in addition to scattering seeds. Some are annuals, with the original plant dying and only the seeds surviving the next year.

If you do decide to plant self-seeding plants, make sure you know what the seedlings look like. While in some cases the seedling looks very much like the mature plant’s leaf, in other cases, it’s hard to tell. You don’t want to accidently pull out a desired plant thinking it’s a weed.

There’s another caution with self-seeders. Because they produce so many seeds, they can become invasive with your flower bed looking very messy. So, you need to be careful in planting them and not be hesitant to “rip out” what grows where you don’t want it.

One of the best self-seeding plants is lunaria (pennies, honesty, money plant). The name comes from Latin, meaning moon-like, which refers to the oval, silvery seedpods that are produced on the plant toward the end of the growing season. While some are annuals or perennials, most commonly found in seed catalogues are biennials.

The flowers are beautiful — white or purple — and appear in spring with seed pods the second year after sowing. They are easy to naturalize if you have a wooded or partly wooded area where the seedlings won’t be disturbed. A mass of these is stunning even from a distance away. The flowers can also be collected and dried for arrangements. Make sure you leave some flower go to seed for next year. Foxglove is another biennial that self-seeds.

Another self-seeder (which is also a perennial) is Echinacea, that is, coneflowers. These beautiful flowers attract birds, which love the seeds. Leave the seed heads on the plants in fall. What’s not eaten will fall to the ground and come spring, more plants will grow.

Other self-seeding annuals include New England asters, coreopsis, feverfew, violets, sweet peas and blue woodruff.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

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A fire tears through Malkmes Florists in Port Jefferson Station. Photo by Dennis Whittam

A fire tore through Malkmes Florists in Port Jefferson Station on Friday the 13th, destroying the building but not the family business that has been passed down for generations.

Family heirlooms, flower arrangements, antique furniture — all burned to ashes that morning.

“There’s nothing left,” Lisa Malkmes, one of the owners, said about the property damage in a phone interview Tuesday. “We lost the entire building and all of our computers. Everything’s gone.”

Dennis Whittam, a spokesman for the Terryville Fire Department, said firefighters received a notification that morning of a “fully involved structure fire” across Route 112 from the firehouse, at the longtime neighborhood business at the end of Oakland Avenue.

Firefighters on the scene at Malkmes Florists in Port Jefferson Station. Photo by Dennis Whittam
Firefighters on the scene at Malkmes Florists in Port Jefferson Station. Photo by Dennis Whittam

A Port Jefferson Fire Department engine was the first truck on the scene and started to attack the flames on the exterior, Whittam said, as Terryville’s ladder truck and other engines set up hand lines and master streams under command of Chief Richard McCarren and Assistant Chief Tom Young. The Selden, Mount Sinai and Coram fire departments also offered assistance.

The fire was out by about noon, Malkmes said, and then the florists quickly had to put together flowers for a wedding happening that afternoon, after the bride’s original flowers burned in the blaze. Everything was finished on time, she said, “because of my employees. They opened their home and we were able to get flowers in quick enough.”

She added that the business put flowers together for two weddings and two funerals over the weekend as well.

Malkmes Florists & Greenhouses has been in operation for decades, and was previously run by longtime community member Harold Malkmes, who died in 2011. Malkmes was a 17-term Brookhaven Town highway superintendent who grew up in Port Jefferson Station and studied horticulture in college before taking the helm at the business, which had been in the family since the 19th century. He passed the reins of the shop to one of his sons, Michael, a Miller Place resident who runs the business with wife Lisa.

The Malkmes name is also familiar to town residents who have visited the community man’s other namesake, the Harold H. Malkmes Wildlife Education and Ecology Center in Holtsville.

Lisa Malkmes said the florists are still open for business. They are working on phone orders and will be putting up a temporary structure soon, with the eventual goal of reconstructing the business.

A fire tears through Malkmes Florists in Port Jefferson Station. Photo by Dennis Whittam
A fire tears through Malkmes Florists in Port Jefferson Station. Photo by Dennis Whittam

This is not the first time the family has had to rebuild.

According to Michael Malkmes, who is also a heavy equipment operator in the town highway department, the business dates back to the 1800s, when it was based in Medford. But a fire tore through that original building, destroying it.

“My grandfather decided to rebuild up here on the North Shore,” Malkmes said Tuesday, and a new shop opened at the end of Oakland Avenue in 1912 called Belle Croft Greenhouses, in honor of a historic name for the neighborhood. That became Malkmes Florists in the 1970s under the ownership of Harold Malkmes.

There were still historical and familial tributes around the shop and property when the fire caught: a picture of Harold playing tennis, a sign from when the man ran for highway superintendent, an aerial photo of the shop from the 1930s, family heirlooms like an antique vanity and curio cabinet, and Harold’s service medal from his time in the U.S. Army Air Forces in World War II, as a tail gunner on a B-25 bomber in Italy.

“There’s a lot of tears,” Michael Malkmes said. “We’ve been there for eons so it’s kind of a shame.”

The cause of the fire is still under investigation.

“The building was built in 1912, so the wood was probably a little dry — that’s why it cooked the way it did,” he said. “Once [the fire] punched through the roof, it was just like a chimney.”

But just as before, the family florists plan to rise from the ashes.

“We’re definitely going to rebuild,” he said. “Our customers have been coming there for years.”

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Weeping willow trees are beautiful, graceful deciduous trees. Photo by Ellen Barcel

By Ellen Barcel

Many years ago, I had two absolutely beautiful weeping willow (Salix babylonica) trees. They easily topped my two story house, and then some. I really enjoyed walking underneath the branches, looking out at the world, sort of like looking out through a light green curtain. And they provided beautiful shade.

Then, a really nasty hurricane came along. Down went the first and then the second tree. This happened when other trees — maple, oak and pine — all survived.

What happened? The answer is that weeping willow trees (natives of Asia) are very shallow rooted. When the wind really picked up, the roots couldn’t hold the trees in the wet soil, so down they went. And mine weren’t the only ones I saw down.

Does that mean that you shouldn’t plant weeping willow trees? Not necessarily. If you have an area sheltered from the wind, like a hollow, this might be the ideal location.

There’s another problem with the weeping willow tree. It craves water, so if you really want to plant this fast growing, graceful tree, make sure it’s not near a cesspool, well or in-ground swimming pool, as the roots can head in that direction, doing damage to the concrete.

The weeping willow tree grows well in U.S. Dept. of Agriculture hardiness zones 6 to 8 (Long Island is right in the middle at zone 7). It particularly likes to grow near water, but while the hardiness zones are limited, it does tolerate a wide range of soil pH levels. It’s a great shade tree quickly reaching 30 to 40 feet tall, growing as wide as is tall. Give this one plenty of room.

Another willow, pussy willow, (S. discolor) is native to North America. The deciduous shrub first produces furry catkins (or cat’s feet) in early spring. Many people like to cut branches from this stage of the plant and use them in dried arrangements or to make wreaths. If you do cut branches, do not put them in water or they will progress to the next stage, flowers.

After flowering, this easy to grow plant then produces green leaves. It is definitely grown for the early catkins. Pussy willow grows well in zones 4 through 8 or 9 (depending on variety).

Although most pussy willow plants produce gray catkins, there’s a rare variety (‘Mt. Asama’) that has a burgundy ones. A weeping pussy willow (S. caprea ‘Pendula’) can be grown as a small ornamental tree reaching 6 to 8 feet tall. As most weeping plants, the latter is really nice in winter when snow and ice covers the weeping branches.

Another popular willow that does well on Long Island is the dappled willow (S. integra). Like many other willows, the shrub is fast growing and can easily reach 15 to 20 feet tall and wide. However, if you really like this shrub, it can be pruned to keep it much smaller. In fact, it’s the new branches in spring that have mottled leaves that make it really stand out in the garden.

The dappled willow does well in hardiness zones 4 to 9. It is a native of eastern Asia, including China, Japan and Korea. Like other willows, the flowers are catkins (a cylindrical flower with no obvious petals). The cultivar ‘Hakuro Nishiki’ comes out very pale pink in spring.

Are willows deer resistant? Good question. Some sources say yes and some no, so you’ll have to see what the deer in your area like. However, rabbits do like willows, so you should take whatever precautions you normally take to keep your plants safe from them. While willows, in general, like moist soil, some varieties are somewhat drought tolerant once established. In general they like sun but tolerate light shade, and do well in a wide variety of soil conditions.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

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Flowering quince blooms before leaves appear. Photo by Ellen Barcel

By Ellen Barcel

The gardening season is winding down. You’ve probably enjoyed your tomatoes and have started thinking about your herbs and how to preserve them for winter use (you can, of course, bring container grown herbs into the house in a sunny location).

So, it’s hard to think of spring flowers when we’re facing autumn’s mums and winter’s chill. However, it you want a gorgeous, early spring garden, there are certain things you must do now.

◆ Plant your spring flowering bulbs (tulips, daffodils, etc.). They can actually be planted as long as the ground is not frozen.

Fothergilla is a slow grower. Photo by Ellen Barcel
Fothergilla is a slow grower. Photo by Ellen Barcel

Plant your spring flowering trees. These include dogwood, magnolia, flowering cherry, flowering crab apple and redbud.

◆ Plant shrubs that bloom in early spring. If you already have some in the ground, do not, I repeat, do not, prune them in late autumn. You will be removing next spring’s flower buds. Rule of thumb, prune flowering shrubs immediately after they have bloomed so as not to interfere with their bloom cycle.

Probably the earliest shrub to bloom in spring is witch hazel, with its delicate yellow flowers. In a mild winter it may even bloom in February, but March is more likely. Since it is blooming so early, the flowers come out long before the leaves. And, yes, this is the plant from which the astringent witch hazel is made.

Forsythia also blooms before the leaves appear with a mass of yellow flowers. You can even force the flowers in late winter if you see flower buds starting to form. Cut some branches, bring them indoors and put them in a vase with room temperature water. Soon, the vase will be filled with the cheery flowers. Forsythia plants make a great, easy to grow hedge. A fast grower, they can be cut back to make them the height you want.

Witch hazel with its yellow flowers is the earliest bloomer on Long Island. Photo by Ellen Barcel
Witch hazel with its yellow flowers is the earliest bloomer on Long Island. Photo by Ellen Barcel

Flowering quince produces gorgeous red, pink or orange flowers, again, before the leaves appear. The plant can easily reach up to six feet tall, but there are shorter cultivars. A native of China, it is usually grown here for its flowers, not its fruit. It prefers full sun and well-drained soil. Some varieties have thorns while others are thornless. Check the tag or research the cultivar if you either want (as a barrier) or don’t want (around kids) thorns.

The P.J.M. Rhododendron blooms in early spring, usually April, ahead of most rhodies, which tend to come out in May. The pinkish-purple blossoms are born on a relatively slow growing plant that reaches three to six feet in height. An evergreen, it does well in partial shade in hardiness zones 4 to 8. A row of them makes a lovely, relatively low hedge.

Pieris (andromeda) comes out quietly in spring. Most plants available have either white or pink flowers, but ‘Valentine’ has absolutely beautiful burgundy flowers. ‘Valentine’ blooms ahead of the other varieties, frequently before I’ve tidied up the garden in spring.

Fothergilla blooms with lovely white flowers. The slow-growing, deciduous shrub blooms in April to May after the leaves appear. The plant does well in zones 5 to 8.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

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The parsley worm caterpillar. Photo by Ellen Barcel

By Ellen Barcel

There are many gardening chores to accomplish in the fall. One that I’m currently working on is bringing in some herb plants to try and keep them growing over winter. Mainly, I want to keep some of my mints growing, but the parsley plant is lush and gorgeous, so I’m going to make a stab at keeping that growing on a bay window. When I went to take a look at the plant, I saw an absolutely beautiful caterpillar on one of the stalks. I knew it wasn’t a monarch, because they go for milkweed (several dined on my butterfly weed, Aesclepias tuberosa, a native variety of milkweed), and besides they have orange strips while my new guest was basically green and black.

Parsley worm caterpillar

A bit of research told me that it was a parsley worm caterpillar, which would eventually change into an American swallowtail butterfly, black with blue markings. How was I going to deal with this critter since I really wanted to see it turn into a butterfly, but I also wanted to bring the parsley into the house so I’d have fresh parsley all winter.

Monarch butterfly caterpillar. Stock photo
Monarch butterfly caterpillar. Stock photo

Again, research told me that they overwinter in the garden as a chrysalis (that is, a pupa) and emerge from the cocoon  in spring (April to May usually) as the beautiful butterfly. So, if you are bringing any plants into the house, check them for hitchhikers. Break off some of the parsley and set it with the caterpillar in a safe place outside to overwinter. I’ve read that it’s a nasty tasting caterpillar so birds tend to leave it alone.

Some people object to the parsley worm (which is attracted to other plants in the carrot family, such as dill, carrots and Queen Anne’s lace). They can be hand picked off the plants if you want. Personally, I don’t mind sharing a bit of my parsley with them knowing that they will turn into beautiful butterflies.

Green tomato hornworm

Another caterpillar you may find on your garden plants is the large green tomato hornworm. I remember as a kid my father finding them on some tomato plants he was growing. One was covered with white insect eggs, parasitized by braconid wasps. My father removed the caterpillar with the eggs, but I later learned that the wasps perform a valuable service to the home gardener, that of devouring other insect pests. 

Like the parsley worm caterpillar, they can be easily removed from the plant by hand picking. While the parsley worm will eventually yield a beautiful butterfly, the tomato hornworm can quickly defoliate tomato plants (and other nightshade plants like potatoes, peppers and eggplants) causing serious damage to the garden.

After going through the pupa stage, a large moth will emerge. No, I’m not willing to share my tomato plants with these critters. But, if you find one covered in white eggs, leave it alone since the wasps that will emerge from the eggs will kill the caterpillar and control other insect pests.

So, monarch butterfly caterpillars are good, parsley worm caterpillars are also very good and tomato worm caterpillars are bad, unless they’re covered in wasp eggs.

There are many other varieties of caterpillars that are sometimes beneficial and sometimes not. Remember the gypsy moth caterpillar can be very bad. (See my column of last July 16 for details on this one.)

Check out any caterpillars you find by typing the description into your computer’s search engine to find similar photos to help identify it. Only when you know what you have, should you decide what to do about the critter or critters in your garden.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.

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By Wendy Mercier

As summer fades into fall, many plants and flowers will continue to bloom until the first frost of winter. Annuals, such as geraniums, marigolds and begonias, can have an extended growing season with proper watering and pruning. Plants such as Montauk daisies, Black-Eyed Susans and hardy mums are just beginning to come into season, and are a sign that autumn is upon us.

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Coleus are grown for their brightly colored and beautifully patterned leaves. To keep them growing, don’t let them go to seed. Photo by Ellen Barcel

By Ellen Barcel

There are a number of plants, grown as either annuals or herbaceous perennials, that are admired and grown for their leaves, not their flowers. Hostas are one of these as are aromatic mints, but so are coleus.

Coleus really brighten up a shady place and bring lots of color into the garden all summer long. You’ll find a number of scientific names for the plant, since botanists today frequently reclassify a plant after studying its genetic makeup.

Coleus, however, is in the Lamiaceae family — the mint family. While many plants in that family are aromatic, mints, thyme, sage, etc., coleus isn’t. But coleus does have the characteristic square stems of mints.

There are a number of ways you can grow your coleus: in a bed of plants outside, very nice scattered among hostas or other leafy plants; in a container outside or even as a houseplant.

Coleus are native to Southeast Asia and Malaysia. They are flowering plants. However, once the plant flowers and goes to seed, it has reached its life span and dies. So this is crucial: nip or pinch off the flowers in the bud if you want to keep your coleus growing and producing gorgeous, brightly pattered leaves.

Coleus are grown for their brightly colored and beautifully patterned leaves. To keep them growing, don’t let them go to seed. Photo by Ellen Barcel
Coleus are grown for their brightly colored and beautifully patterned leaves. To keep them growing, don’t let them go to seed. Photo by Ellen Barcel

Coleus can be propagated by seed —start indoors 8 to 10 weeks before the frost- free date — or by stem cuttings, rooted in water. If you choose to let the professionals start your coleus, like tomato plants, they can’t be put outdoors until it is warm enough, usually mid-May or, as my father always said, Memorial Day, just in case there’s an unusual dip in temperature. Because they are not cold-tolerant, they are considered annuals if grown outdoors on Long Island, but are evergreen perennials in warmer areas lasting for a number of years.

It shouldn’t surprise you, that being native to a warm climate, they are somewhat heat-tolerant, but that doesn’t mean drought-tolerant. Don’t let the soil get soggy, but do keep it evenly moist. If the soil dries out, the leaves will quickly wilt, but if you notice and water them fast enough, they may perk up.

Coleus leaves come in a wide variety of colors including green, yellow, white, burgundy, red, pink and black — actually a very dark burgundy. The green, of course, comes from chlorophyll, but the reds come from the chemical anthocyanin, an adaptation to attract pollinators to the plant.

Coleus can get quite large, but there are dwarf varieties. Check out the ones you’re interested in before purchasing them. They do best in a soil pH of 6.0 to 7.0, so you may need to add lime to your garden soil. Potting soil is closer to neutral, already.

As houseplants, keep in a warm place — 70 to 85 degrees is ideal, but not less than 50 degrees — with bright light.

As far as fertilizer goes, use compost, or if using chemical fertilizers, use once a month or as per package directions. If you’re growing your coleus in containers, you’ve probably used potting soil of one variety or another. Check it to see if it already contains fertilizer. If so, only start fertilizing when what’s in the soil is used up, which will be noted on the potting soil package.

As the cold weather approaches, you can bring containers inside to grow as houseplants or you can take cuttings from your favorite patterned/colored plants and root them in water over the winter.

Ellen Barcel is a freelance writer and master gardener. Send your gardening questions to [email protected]. To reach Cornell Cooperative Extension and its Master Gardener program, call 631-727-7850.