10+
Watercress seeds produce fast-growing, cool-season plants that thrive in consistently moist to wet environments. These plants develop low-growing, spreading stems with small, rounded leaves and are well adapted to areas with shallow water or saturated soil. Watercress grows best in cool conditions and can be cultivated in garden beds with frequent watering or near water features. It prefers nutrient-rich conditions and steady moisture for continuous growth and regular harvesting.
Features
- Cool-season plant suited to wet or water-rich environments
- Low-growing, spreading growth habit
- Suitable for shallow water cultivation or moist soil beds
- Fast establishment under consistent moisture
- Can be harvested regularly during the growing period
Specifications
- Scientific Name: Nasturtium officinale
- Common Name (US): Watercress
- Seed Type / Variety: Aquatic leafy vegetable variety
- Growth Habit: Low-growing, spreading perennial
- USDA Zones: 3–11
- Planting Season: Early spring to fall
- Growing Season: Spring to fall (cool to mild conditions)
- Sowing Season: February to April (spring); September to November (fall)
- Germination Time and Conditions: 7–14 days at 10–20°C with constant moisture
- Sunlight Requirements: Full sun to partial shade
- Soil Requirements: Moist, fertile soil or shallow water conditions
- Watering Needs: High, requires continuous moisture
- Mature Plant Size: 10–30 cm height; spreading growth
- Plant Spacing: 15–20 cm between plants
