Black Velvet Nasturtium is a dwarf cultivar of Tropaeolum minus that produces an abundance of deep red flowers with sunny yellow throats on a bright green cascading bush. Hardy in zones 9-11, this annual reaches maturity in 60-90 days and thrives in full sun with moderate water. Its compact, bushy habit and prolific blooming make it a standout choice for edging garden beds and vegetable gardens, while its trailing growth and whimsical appearance bring charm to containers and bouquets.
Full Sun
Moderate
9-11
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Moderate
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This dwarf nasturtium delivers twice as many blossoms as standard varieties, creating a profusion of deep red and yellow flowers on a cascading green mound. The contrast between the rich crimson petals and bright yellow throats creates genuine visual drama, especially in full sun. Its compact size and trailing habit make it exceptional in containers and as an edging plant, while its prolific flowering keeps it performing from summer through fall.
Black Velvet Nasturtium serves dual purposes in the garden: as an ornamental edging plant for flower beds and vegetable gardens, and as a strategic companion in vegetable gardens where it functions as a trap crop, drawing pest infestations away from more valuable plants. Its delicate, whimsical flowers add a touch of elegance to fresh bouquets and floral arrangements.
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Start seeds indoors 4-6 weeks before your last frost date, keeping soil temperature between 60-75°F for consistent germination. Transplant seedlings outdoors only after all danger of frost has passed, as this variety is frost-tender.
Harden off seedlings gradually over 7-10 days before moving them to the garden. Transplant outdoors after your last frost date when soil has warmed and nighttime temperatures stay above 50°F. Space plants 8-12 inches apart to allow room for their cascading growth habit.
You can direct sow seeds in the garden after all danger of frost has passed and soil temperatures consistently reach 60-75°F.
Pinch back the growing tips when plants are young to encourage bushier growth and more prolific flowering. Deadheading spent flowers throughout the growing season will extend blooming and keep the plant looking tidy, though this variety is naturally inclined to produce abundant flowers.
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