Nasturtium — 3 species
Botanical species in the genus Nasturtium recorded in the PlantPeers database.

Nasturtium microphyllum
Nasturtium microphyllum
Family: Brassicaceae
Cultivation
Watercress is easily grown when given the correct conditions of slowly flowing clean water, preferably coming from chalky or limestone soils. It prefers to grow in water about 5cm deep with an optimum pH 7.2. Plants can be grown in wet soil if the position is somewhat shaded and protection is given in winter, though the flavour may be hotter.
Full cultivation guide →
Nasturtium officinale
Nasturtium officinale
Family: Brassicaceae
Cultivation
Watercress is a plant of the temperate zone, but it can be cultivated in the tropics at elevations between 1,000 - 3,000 metres. It grows best in areas where annual daytime temperatures are within the range 12 - 17°c, but can tolerate 6 - 32°c. When dormant, the plant can survive temperatures down to about -15°c.
Full cultivation guide →
Nasturtium x sterile
Nasturtium x sterile
Family: Brassicaceae
Cultivation
Watercress is easily grown when given the correct conditions of slowly flowing clean water, preferably coming from chalky or limestone soils. It prefers to grow in water about 5cm deep with an optimum pH 7.2. Plants can be grown in wet soil if the position is somewhat shaded and protection is given in winter, though the flavour may be hotter.
Full cultivation guide →