Black Velvet Nasturtium bloom on a white background.
A close-up of a single dark red Black Velvet Nasturtium bloom.
A macro view of a half dozen Black Velvet Nasturtium flowers with foliage on white background.
A floral arrangement of Black Velvet Nasturtium flowers in green glass vase on a dark background.
A detailed macro close-up of the yellow underside of Black Velvet Nasturtium flowers.
Edible Black Velvet Nasturtium petals on top of a bed of Ice Queen lettuce with a fork.
Black Velvet Nasturtium bloom on a white background.
A close-up of a single dark red Black Velvet Nasturtium bloom.
A macro view of a half dozen Black Velvet Nasturtium flowers with foliage on white background.
A floral arrangement of Black Velvet Nasturtium flowers in green glass vase on a dark background.
A detailed macro close-up of the yellow underside of Black Velvet Nasturtium flowers.
Edible Black Velvet Nasturtium petals on top of a bed of Ice Queen lettuce with a fork.

Nasturtium Seeds,
Black Velvet

SKU: #FL716Min. seed count: 25
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Description

(Tropaeolum minus). A dazzling dark cocoa color makes this a dramatic element for the garden or dinner plate. Plants stand 12 inches tall and about as wide, an ideal size for containers as well as beds and borders. The piquant petals and foliage are edible.

Growing Tips: The Black Velvet nasturtium grows best in full sun but can also tolerate partial shade, especially in hot climates. They prefer poor to moderately fertile, well-draining soil. Avoid overwatering or fertilizing, as that can encourage foliage growth over flowers.

Plant Details

Botanical Name
Tropaeolum minus
Life Cycle
Annual
Days to Germinate
7–14
Days to Maturity
50–60
Planting Depth
½–1 in.
Plant Spacing
8–12 in.
Ideal Temperature
60–80°F
Frost Hardy
No

When to Grow

Direct sow seeds outdoors in the spring after frost danger has passed and soil temperatures are above 55 F. Start indoors 4 weeks before the last frost date for earlier blooms. In mild climates, sow in the fall for winter blooms. Check your local region's frost dates to plan the best planting time. If you're unsure of your last frost date, consult our blog post 'Our Experts Answer Questions, Share Resources'.

How to Sow and Plant

Direct sow seeds 1/2-1 inch deep and space them 8–12 inches apart. Soak seeds in warm water before planting to speed up germination, which takes about 7–14 days. If starting indoors, plant in biodegradable pots to prevent transplant shock. Choose a sunny spot with well-draining soil for maximum flowering.

How to Grow

Nasturtiums are low-maintenance. Water sparingly, allowing the soil to dry slightly between watering. Avoid fertilizing, as nutrient-rich soil reduces blooming. Mulch to conserve moisture and deadhead spent flowers for continuous blooms. While pest-resistant, nasturtiums may attract aphids, which can be managed with water sprays or neem oil. They can also act as a trap crop to protect nearby plants.

How to Save Seeds

  • Nasturtiums will often reseed, but to save seeds, allow the flowers to mature and let the petals fall to the ground.
  • Collect the seeds from the plant before they fall.
  • When the seeds are dry, label and store them in a cool, dark, dry place over the winter.

FAQ

Are Black Velvet nasturtiums edible?

Yes, both the flowers and leaves are edible with a peppery, slightly spicy flavor. They can be used in salads, sandwiches, or as garnishes.

Can Black Velvet nasturtiums grow in containers?

Yes, this variety grows very well in containers. Use a pot with good drainage and avoid overwatering.

How tall and wide do Black Velvet nasturtiums grow?

Plants stand about 12 inches tall and roughly as wide, a tidy mound that suits containers, beds, and borders. Space them 8 to 12 inches apart.

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