Watercress Seeds

Organic, Heirloom

With a peppery and pungent flavor, this ancient plant is popular around the world for its nutritional and medicinal value. High in vitamins A, C, and K, as well as providing potassium and calcium, watercress 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.
  • Organic Heirloom #6116 - 200 mg
    This packet sows up to 26 feet.
  • $2.49
  • -+
  • Conventional Heirloom #5061 - 250 mg
    This packet sows up to 33 feet.
  • $1.89
  • -+

Botanical Name: Nasturtium officinale

Family: Brassicaceae

Native: Uncertain

Hardiness: Perennial in USDA zones 6–9, otherwise grown as an annual

Plant Dimensions: 10"–14" tall

Variety Information: Small, roundish, light green leaves with a peppery, pungent flavor and scent.

Exposure: Full sun to part shade

Attributes: Good for Containers

When to Sow Outside: 2 to 4 weeks before your average last frost date. Ideal soil temperature for germination is 50°–60°F.

When to Start Inside: 4 to 6 weeks before your average last frost date. When growing indoors, keep continually moist.

Days to Emerge: 5–15 days

Seed Depth: ¼"

Seed Spacing: 1"

Row Spacing: 6"

Thinning: When 1" tall, thin to 1 every 4"

Harvesting: When plants are 4"–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.

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