Nasturtium Species, Watercress, Yellowcress
Nasturtiumofficinale

Synonym:Nasturtium aquaticum

Synonym:Nasturtium nasturtium-aquaticum

Category
Ponds and Aquatics
Tropicals and Tender Perennials

Water Requirements
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Sun to Partial Shade

Foliage
Grown for foliage
Deciduous
Shiny/Glossy

Foliage Color

Height
under 6 in. (15 cm)
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
9-12 in. (22-30 cm)

Hardiness
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)

Where to Grow

Danger

Bloom Color
Pale Yellow
White/Near White

Bloom Characteristics

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer

Other details
May be a noxious weed or invasive

Soil pH requirements

Patent Information
Non-patented

Propagation Methods

Seed Collecting