Watercress—Nasturtium officinale R. Br.

This document describes the cultivation and use of watercress (Nasturtium officinale), a perennial aquatic plant valued for its pungent leaves and stems. It outlines optimal growing conditions, including cool climates and clean, flowing water, and provides guidance for home gardeners using either natural streams or artificial beds. The document also covers propagation methods, fertilization, and harvesting techniques. Watercress is highlighted as a nutritious addition to salads and garnishes, rich in vitamins A and C, niacin, and iron. Original publication date May 1994.