When to Sow Watercress?
Watercress – peppery leafy vegetable preferring moist environments. Below you'll find exact sowing dates, growing requirements, recommended fertilization and companion plants — all from our plant database. Click the button to see dates personalised for your region in the interactive planner.
Sowing dates – 🥬 Watercress
| Sowing dates | Watercress |
|---|---|
| Indoor sowing | — |
| Transplanting | — |
| Direct sowing | Mar–Aug |
| Harvest period | May–Oct |
| Days to harvest | 50 |
| Spacing | 15 × 20 cm |
| Sowing depth | 0.5 cm |
| Days to germination | 7 |
Growing requirements
Watercress (Nasturtium officinale) belongs to the family: Brassica. The requirements below come straight from the app database – you will see the same values on the plant card in Gardener Planner.
| Sunlight | medium |
| Water | high |
| Soil | loamy |
| pH | 6.5–7.5 |
| Family | Brassica |
Fertilization (NPK)
Approximate nutrient demand. For precise doses, test your soil first – the NPK fertilizer calculator will do the math for you.
| Nitrogen (N) | low (5–8 g/m² per season) |
| Phosphorus (P) | low (40–60 mg/l in soil) |
| Potassium (K) | low (125–175 mg/l in soil) |
Plan your Watercress in the app
Gardener Planner lets you match sowing dates to your climate zone, track progress and plan crop rotation across your whole garden.
Open Gardener Planner →Frequently asked questions
When to sow Watercress indoors?
Watercress does not need to be started indoors — sow directly into the garden.
When to transplant Watercress?
Watercress is direct-sown and does not require transplanting.
When to harvest Watercress?
Harvest Watercress from May–Oct (approx. 50 days from transplanting/germination).
What spacing and sowing depth?
Spacing: 15 × 20 cm. Sowing depth: 0.5 cm. Days to germination: 7.
When to Sow? – Sowing dates for every vegetable
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