Watercress HEIRLOOM Seeds

Nasturtium officinale

Item #5061

Perennial. If you like the flavor and texture of sprouts, you will love the peppery, pungent radish-like flavor of watercress. An ancient plant, it has been popular around the world for its nutritional and medicinal value. High in vitamins A, C and K as well as providing potassium, iron and calcium and has been studied for its antioxidant properties. At home along streams and lakes, watercress can also be grown in moist, partly shady gardens, and indoors in containers sitting in trays of water. Perennial in USDA zones 4 and warmer.

Seedling Image

Perennial

Full Sun

10”-14” tall

Days to Emerge:
5-15 days

Seed Depth:
Press into surface

Seed Spacing:
1”

Row Spacing:
6”

Thinning:
When 1” tall,
thin to 3” apart

When to sow outside: 2 to 4 weeks before average last frost.

When to start inside: 6 weeks before average last frost.

Special germination instructions: Seed requires light to germinate. Press into soil surface; do not cover with soil. Keep moist.

Harvesting: When plants are 4" to 6" tall, clip sprigs off the top; the tips are the sweetest, most tender part of the plant. In mild climates, harvest during the cooler parts of the year.