Watercress Herb Seeds
Watercress Herb Seeds
from $9.99 AUD incl gst Select options

Watercress Herb Seeds

from $9.99 AUD incl gst

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  • Grow as microgreens or mature plant.
  • Add a hot, pepper flavour to your dish.
  • Fast growing herb.

WATERCRESS Herb Seeds

Botanical Name: Nasturtium officinale

  • Perennial aquatic herb with crisp, peppery leaves and small white flowers.
  • Highly nutritious, rich in vitamins A, C, calcium, iron, folate, and isothiocyanates.
  • Excellent raw in salads, added to sandwiches, or stirred into soups for extra flavour.
  • Thrives in flowing water, very moist garden beds, or self-watering containers.
  • Fast-growing and productive with regular harvesting of young shoots.
  • Can be grown in full sun (in water) or partial to full shade (in soil).
  • Suitable for ponds, bog gardens, or damp areas where soil stays consistently moist.

Plant Details

  • Plant Type: Perennial aquatic creeper
  • Plant Height: 10–30 cm depending on conditions

Sowing Information

  • Germination: 7–14 days at 10–15°C
  • Depth: Surface sow and press seeds lightly into moist soil
  • Position: Full sun in aquatic settings, partial shade in moist soil beds, shaded spots for pots
  • Sow Where: Direct into wet soil, containers, or along pond edges
  • Soil Type: Moist to wet, fertile soil or aquatic conditions
  • Spacing: 15–30 cm between plants

Growing Tips

  • Keep soil or water consistently moist to prevent plants from drying out.
  • Harvest young leaves and shoots regularly to encourage fresh growth.
  • If growing in containers, use trays or self-watering pots to maintain constant moisture.
  • Remove flower stems to prolong leaf production and improve flavour.

Harvest

Begin harvesting 6–8 weeks after sowing. Pick tender shoots and leaves as needed for best flavour and nutrition.

When to Sow Watercress in Your Climate

Climate Zone Best Planting Time Tips
Temperate Spring and autumn Sow in moist soil or containers; avoid midsummer heat. Keep soil consistently damp.
Subtropical Autumn to early spring Plant during cooler months. Provide shade during hot weather.
Tropical Autumn and winter Grow in the coolest season. Ensure excellent drainage and partial shade.
Cool Spring and summer Start after frosts have passed. Protect young plants from late frosts.
Arid Autumn and early spring Sow in cooler periods. Use containers or bog gardens and water frequently.

Product Specifications

  • Non-GMO seeds.
  • No chemical treatment.
  • Open pollinated.
  • Variety: Nasturtium officinale.
  • Seed count: Approx 4900/gram.
  • We do not ship to Tasmania due to quarantine restrictions.