Nasturtium officinale - Watercress

Nasturtium officinale, or Watercress, is a perennial aquatic plant with small white flowers and peppery-tasting leaves. It is often found in clear, running water and is cultivated for use in salads, sandwiches, and as a garnish due to its high vitamin and mineral content.

Inputs

• Hardiness zone 3¹
• Hardiness zone 4¹
• Hardiness zone 5¹
• Hardiness zone 6¹
• Hardiness zone 7¹
• Hardiness zone 8¹
• Hardiness zone 9¹
• Hardiness zone 10¹
• Hardiness zone 11¹

Outputs

• Human food¹
• Rabbit food²

Type

• Perennial

Functions

• Phosphorus accumulator³
• Potassium accumulator³
• Calcium accumulator³
• Sulfur accumulator³
• Magnesium accumulator³
• Iron accumulator³
• Attracting bees¹
• Wildlife habitat¹

Footnotes

1. Nasturtium officinale | Plants for a Future ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰ ↩¹¹ ↩¹²

2. Welfare of rabbits: the need for a suitable diet | nidirect (Northern Ireland government) ↩

3. Gaia’s Garden - A Guide to Home-Scale Permaculture, 2nd Edition Table 6-2 ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶