Growing Coleus

Coleus has remained a popular plant ever since it rose to favor during the Victorian age. The leaves of this inexpensive and versatile plant come in a bewildering array of colors, patterns, shapes, and sizes. Sometimes called the "poor man's croton", coleus easily competes with the croton in brightness and color, but it's a whole lot easier to grow.


Plant at-a Glance

Coleus (Solenostemon hybrids)

Life cycle: Very tender perennial.

Hardiness: Zones 10 to 12.

Height: 6 inches to 5 feet (the average height is 1-2 feet tall).

Spread: 1 to 3 feet wide.

Foliage: Colorful foliage with purple spikes of flowers (many people pinch them off).

Exposure: Sun to part shade; the intensity of light has a direct effect on the intensity of its foliage. Some varieties may produce their best color in light shade, while others look best in bright sun. Some experimentation may be necessary to find out what your plant likes best.

Soil: Moist, well-drained soil.

Propagation: Seeds (easily obtainable) or stem cuttings. A 3 or 4 inch long stem cuttings will readily produce roots, even in a glass of water.

Maintenance: Pinching (removing) the terminal bud of each shoot when it reaches three to four inches in length will encourage side branching, prevent flowering, and produce more beautiful foliage.


Low-Maintenance Color

Coleus has a longstanding and well-earned reputation as being a plant almost anyone can grow. Morning sun with afternoon shade works well for most varieties, although many of the newer hybrids (usually with "sun" or "solar" in their names) have been bred to handle more light.

As a general rule, most coleus will tolerate some sun, but their colors will look their best in partial shade. Deep colors like black and burgundy will look more intense, and whites and creams will stay brighter. If your plants are growing in containers, try moving them to different locations to see what works best.

Coleus grown in the sun prefers consistent amounts of moisture, but when grown in shade it shows tolerance for drier soil. In the hottest parts of the country, plants may need watering every day. Leaf drop is usually a good indicator that the plants are not getting enough water. Though they sometimes wilt in heat, coleus will recover quickly once you give them a drink. Applying a couple of inches of mulch around your plants will help conserve moisture.


Despite all of the color it provides, coleus doesn't need a lot of feeding. In fact, even without fertilizer coleus tends to be a vigorous grower. To get the best leaf color apply a dose of balanced, 10-10-10 water-soluble fertilizer early in the spring, and if necessary, follow up with one more mid-season. When the plants are small, pinch the stems back by about a third to keep them compact. Deadheading any flowers you see (they are small and insignificant anyway) will keep the plants growing strong.

Growing Coleus Indoors

Coleus make nice house plants as long as they receive sufficient light and food. Basic care indoors includes the following:

  • Several hours of bright light (preferably, in a south-facing window).
  • Temperatures between 70 and 85 degrees (a minimum of 50 degrees F).
  • Consistently moist soil, but reduce watering in winter.
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  • Monthly feedings of 1/2 strength liquid house plant fertilizer.
  • Frequent misting of leaves to maintain humidity.
  • Regular pinching of stems to prevent plants from becoming leggy.

Growing Coleus in the Garden

Coleus is technically a tender perennial - a very tender perennial. Cold weather causes stunted growth and plants seem to turn to mush when there is even the slightest rumor of frost in the forecast. In the spring, hold off on setting plants out until the soil temperatures stay above 55 degrees F. When it's safe to set out your tomato plants, it's safe for coleus, too.

Coleus is incredibly versatile in the garden. Use it in container arrangements, in borders or as specimen plants in mixed beds. These plants are vigorous growers. Make sure you give them plenty of elbow room so they don't crowd their nearby companions.


To keep plants from getting leggy and to control their growth, frequently pinch or cut back the stems. Then recycle the cuttings by tucking them into bare spots around your garden. Coleus stem cuttings start easily in moist, well-drained soil (or even in a glass of water). If you give them a little protection from harsh midday sun they will establish themselves quickly.

Outdoor Growing Tips:

  • Set out when soil and air temperatures average 55 degrees F or more.
  • Space plants 12 inches apart.
  • Plant them in part sun, and in warm soil with good drainage.
  • Pinch center of plants when they reach 4 to 6 inches tall.
  • Watch for mealy bugs, aphids, and whitefly, as well as slugs, snails, and powdery mildew during extended periods of moist weather.


About The Author: Ellen Brown is an environmental writer and photographer and the owner of Sustainable Media, an environmental media company that specializes in helping businesses and organizations promote eco-friendly products and services.

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August 17, 20170 found this helpful

I never understood the "remove the flowers" bit that growers always tell you to do. Its seems no matter what you do they will flower at a certain time of the year. Only a very few like "Wasabi" don't flower but the rest do and readily set seed which almost always come true to type from my experience. No matter how many times you pinch out the flowers they just keep coming, the plant stops growing and produces flowers instead. I wonder why no one has bothered to breed nicer flowers as they flower profusely. I like the flowers myself but they could be improved.

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February 21, 2006

Botanical Name:

Coleus blumei

Life Cycle:

annual, tender perennial

Planting Time:

indoors all year; outdoors after temperatures reach at least 50ºF at night.


18" to 36"


partial shade to shade


rich, moist, well-drained soil with a neutral to slightly alkaline pH


zones 9 to 11

Bloom Time:

foliage colorful all summer


insignificant flowers; flower spikes pinched off as they form to encourage more foliage growth


variegated red, green, pink, white, purple and yellow


seeds, stem cuttings in fall

Suggested Use:

colorful borders, houseplants, and containers

Growing Hints:

When grown outdoors, Coleus plants will survive and grow in the sun, but foliage color is much more intense when grown in light shade or when grown under ultraviolet light indoors. Sow seeds in spring or purchase small seedlings and transplant to beds after temperatures reach 50ºF. Space plants 12 inches apart and pinch back when plants are 4 to 6 inches to encourage bushier growth. Apply fertilizer (10-10-10) once per month

Interesting Facts:

Seedlings are less brilliant in color when young, intensifying in color as they age.
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January 14, 2010

I have a coleus that is huge. It is so big that the branches are breaking off from the weight of the branches and foliage. The funny thing is, these large branches, while still attached to the main stem, are growing roots and wrapping those roots around the main stem. When I break off one of these limbs, it looks like a complete plant. I have never seen this before.

The plant is about 4 feet tall and extremely healthy and vigorous. I have about 40 new plants from this one and I have only had it about 3 months. Does anyone know about this growth habit, or have ever seen this with a coleus?

I thought I would just have a small, nice addition to the deck. It is almost turning into Little Shop of Horrors. Thanks to anyone that has some info.

Hardiness Zone: 11

By Steve from St. John, US Virgin Islands


December 17, 20110 found this helpful

I've never seen that (not to say that it doesn't happen). I would love for that to happen to mine but then again you are in zone 11 which is downright tropical so I guess anything goes. :)

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July 22, 20160 found this helpful

I have two coleus plants that I started from seeds and they're also HUGE. When I spin them to encourage growth upward (instead of sideways toward the sun in the window) branches often break from their own weight since they had previously been supported by the wall.
It frustrates me so much because they're so pretty but seem so dumb. Why would they let themselves grow so much as to not be able to support themselves hahahah
Not sure what the fix is, why I would love to do, since when they break off there's often a big ugly whole where a large branch used to be.

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June 14, 2012

The "starter plants" (coleus) wilt at ground level. Is this a soil or insect problem?

By Dorothy


August 17, 20170 found this helpful

Coleus or Plectranthus scutellaroides, yes I know which one I prefer, do like moist soils or they wilt. However if they're wilting all the time you probably have a root or stem rot problem.

When you buy the starters always turn one or two out of the pot to check the roots. They need to be white and healthy, yellow - brown etc means they have begun to rot. Your soil should be fine as they tolerate a wide soil type as long as it's free draining.

Best to buy as they come in from the grower and plant ASP. They should establish immediately. Sometimes growers don't produce healthy plants and they tend to wilt and stall then rot. Always check the roots. Its also a good idea to buy compact hardened off plants. Look at the stems if they're soft and there is hardly any branching means they need to be slowly hardened off by increasing sun exposure in increments and pinched back. The grower should've done this already.

I always use a very dilute fungicide, soil and plant drench at planting but its preferable to get healthy plants.

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September 9, 2009

Coleus leaves come in a variety of striking colours and go very well with colourful annuals.

By Grayce from Toronto Canada

colorful coleus

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September 9, 2009

Fall Coelus
Fall Coelus
I have enjoyed my Coleus plant this year and now it makes a wonderful fall arrangement for my porch with the fall colors.

By Elaine from Iowa

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