Straightforward-to-grow coleus plants aren’t simply shade plants anymore. Warmth and sun-tolerant varieties are extensively accessible, making them a well-liked selection for any out of doors planting. Their daring and exquisite foliage make them the focal point irrespective of the place they’re planted. Though technically an evergreen perennial, coleus are normally grown as annuals as a result of these tender tropical plants can’t deal with even the slightest frost.
On this web page: Fundamentals | Planting | Care | Varieties | Design Concepts
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On this web page:
- PLANTING COLEUS
- COLEUS CARE
- COLEUS VARIETIES
- DESIGN IDEAS
Coleus scutellarioides (syn. Plectranthus scutellarioides, Solenostemon scutellarioides)
Hardy to Zone 10, however may be overwintered indoors in colder areas.
Varieties 6 inches to 3-1/2 ft tall and 1 to three ft vast.
Full solar to shade, relying on selection.
When do coleus bloom?
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Coleus plants will bloom with racemes of tiny white or bluish flowers any time of the 12 months. Nonetheless, plants grown from cuttings received’t flower as usually, if in any respect.
Colour & traits:
Coleus plants have a variety of coloration variation, from brilliant chartreuse to sizzling pink to near-black, and any variety of mixtures. Coleus leaves vary from one to six-inches lengthy, and likewise are available many various sizes and styles. A member of the mint household, coleus have distinctive sq. stems that this group of plants is thought for.
Is coleus toxic?
Coleus are non-toxic to people, however the sap may cause minor pores and skin irritation. The important oils they comprise are poisonous to canine, cats and different animals.
Is coleus deer resistant?
Rated a ‘C’ on the Rutgers Deer-Resistant plants record, stating they’re sometimes severely broken.
When to plant:
Begin coleus seeds indoors, 8 to 12 weeks earlier than final frost date. Transplants ought to solely be planted lengthy after the hazard of frost has handed and soil has warmed to at the least 60 levels. Any quantity of frost will injury coleus plants.
The place to plant:
The quantity of sunshine can have a dramatic influence on plant dimension and leaf coloration. For the very best leaf coloration, a location that receives morning solar and dappled afternoon shade is finest. Darker-leaved varieties are likely to deal with extra daylight higher than these with lighter-colored leaves. Additionally, select a wind-protected space, as their semi-succulent stems are vulnerable to breakage.
The right way to plant:
Be certain younger plants are hardened off to the sunshine and temperature situations of the location earlier than planting. Amend the planting space with compost or different wealthy natural matter. Dig a gap barely deeper and wider than the basis ball. Tease out roots if potbound. Place within the floor with the bottom of the stem on the similar degree it was within the pot. Backfill with soil, tamp down barely to take away air pockets, and water effectively.
Maintain plants wanting tidy and keep their dimension and form by pinching or trimming stem ideas. To advertise denser and extra compact progress, pinch out flower spikes earlier than they elongate. Since coleus are primarily grown for his or her vibrant colours, there’s no have to waste the plant’s vitality on flowering or setting seed.
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Coleus thrives in any common, moist, however well-draining soil. Use a high-quality, well-draining potting soil in containers.
Amendments & fertilizer:
Coleus does finest with common fertilizing. Feed in-ground plants month-to-month with a water-soluble or liquid fertilizer—to advertise lusher progress and richer leaf colours. For containers, add a slow-release fertilizer on the time of planting and complement with water-soluble fertilizer each two weeks, or as wanted
Water repeatedly. Coleus are thirsty plants, so maintain the soil moist. Nonetheless, keep away from overly damp soil, as this may trigger leaf drop or root rot. We suggest utilizing self-watering containers.
Coleus do fairly effectively when overwintered indoors as a houseplant. Use good potting soil and place them in a sunny windowsill, rotating sometimes to offer even lighting. Present complement mild with develop lights if wanted.
Many gardeners propagate new coleus plants from cuttings in early fall to overwinter indoors. (Observe: It’s unlawful to propagate patented plants to be bought.)
Ailments & pests:
Maintain an eye fixed out for mealybugs and spider mites.
COLORFUL COLEUS VARIETIES
The sheer assortment of colours, shapes, and textures accessible makes coleus a favourite plant for containers, beds, and borders.
- Use trailing varieties like ColorBlaze® Chocolate Drop or Strawberry Drop to drape over the sides of hanging baskets.
- Make a daring assertion with a mass planting of a single selection.
- Select colours that praise or add distinction to close by plants or flowers.
- Brighten a shady nook with mild and brilliant coloured foliage, like ColorBlaze® Lime Time™.
- Give a giant punch of coloration to a plain container with a vibrant, multi-colored coleus.
- Coleus make good bedding plants, both by themselves or together with different warm-season annuals.
- Use upright-growing sorts as a thriller and trailing sorts as a spiller for containers. (For extra on container design, see the video Thriller, Filler, Spiller.)
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