Coleus is a tropical foliage plant native to Southeast Asia and Malaysia that has enchanted gardeners since Victorian times. Scientifically known as Plectranthus scutellarioides, it belongs to the mint family and offers an almost infinite palette of leaf color combinations spanning nearly every color of the spectrum except true blue. Growing 18 to 27 inches tall and 18 to 24 inches wide, this tender perennial thrives in Zones 10 and 11, though it grows as an annual in cooler climates. The plant's real appeal lies in its foliage, not its flowers; the blooms are insignificant and are typically removed to keep attention on the spectacular leaves.
12
Partial Sun
Moderate
10-11
27in H x 24in W
—
High
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Coleus delivers dramatic foliage in countless color combinations without requiring expert-level care. The semi-succulent, four-sided stems make the plant visually interesting even before the leaves catch your eye. Its tolerance for heavy shade combined with cultivars that handle full sun means you can tuck it into nearly any garden spot. From dwarf 6-inch varieties to 3-foot mounded forms, the size range gives you options whether you're designing containers or garden beds.
Coleus serves as a foliage-focused ornamental for garden beds, containers, and indoor spaces. The plant excels in mixed container plantings where its colorful leaves provide backdrop drama for flowering companions. Gardeners use it as an annual bedding plant in cooler regions and as a tender perennial houseplant or overwintered specimen elsewhere. Its low-maintenance nature and adaptability make it a reliable choice for gardeners seeking sustained color and texture without complex care routines.
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Start seed indoors 8 to 12 weeks before your last frost date, sowing into moist seed-starting mix. Place the containers in a warm location and provide bright, indirect light once seedlings emerge. Seed cultivars are an economical way to grow coleus in quantity.
After the last frost date has passed, harden off seedlings by gradually exposing them to outdoor conditions over 7 to 10 days. Transplant into garden beds or containers with evenly moist, well-draining soil spaced 18 to 24 inches apart. Inexpensive starter plants in small pots or flats are widely available from nurseries in spring and offer the fastest route to established plants.
Pinch back stem tips regularly throughout the growing season to maintain a compact, bushy form and prevent the plant from becoming tall and leggy. Remove flower spikes as they appear since the blooms are insignificant and detract from the foliage display. In colder regions where coleus is grown as an annual, light pinching during the season keeps plants fuller and more visually appealing.
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“Coleus has a documented legacy stretching back to the Victorian era, when it became a sensation among ornamental plant collectors. The genus Plectranthus encompasses roughly 350 species distributed across Africa, Madagascar, Asia, Australasia, and the Pacific Islands, but it was the Southeast Asian species scutellarioides that captured gardeners' imaginations. Over generations of selective breeding, hybridizers developed hundreds of vegetatively and seed-propagated cultivars, each with its own leaf color signature. What began as a regional tropical plant evolved into a globally cultivated ornamental through the persistent work of horticulturists who recognized the plant's potential for endless variation.”