Customer Service Hours
Mon-Fri 8-4 MST
Features
Family
Brassicaceae
Native
Uncertain
Life Cycle
Annual
Plant Height
Short (Under 12")
Further Information
Plant Characteristics
Good for Containers
About Watercress Seeds
Nasturtium officinale
Planting Watercress
Plant Spacing
1"
Hardiness Zones
6, 7, 8, 9
Light Required
Full sun to part shade
Plant Height
Short (Under 12")
Planting Depth
¼"
Planting Details
| Row Spacing | 6" |
|---|---|
| Seed Depth | ¼" |
| Seed Spacing | 1" |
| Thinning | When 1" tall, thin to 1 every 4" |
| Germination | 5–15 days |
| Start Indoors | 4 to 6 weeks before your average last frost date. When growing indoors, keep continually moist. |
| Direct Sow | 2 to 4 weeks before your average last frost date. Ideal soil temperature for germination is 50°–60°F. |
| Growing & 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. |
Find Your Frost Date & Grow Zone
Average First Frost Date
October 19
Average Last Frost Date
May 19
Your Hardiness Zone is
5b
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