Watercress (Nasturtium Officinale Aqua) 1000 seeds (#908)
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About the product
Nasturtium officinale, more commonly known as watercress, is a perennial semiaquatic vegetable plant known for its spicy foliage that's popular in salads and similar dishes. While watercress hails originally from Europe, today it grows worldwide.
Watercress (Nasturtium officinale) is a fast growing, aquatic perennial that produces edible leaves and stems.
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. Hardy to about -15°c.
Watercress is often cultivated for its edible leaves.
The plant is very sensitive to pollution so a clean source of water is required. Plants will often continue to grow all through mild winters.
A fast-growing plant, the stems trail along the ground or float in water and produce new roots at the leaf nodes, thus making the plant very easy to propagate vegetatively.
Information sources: www.pfaf.org, www.homeguides.sfgate.com.
Genus - Nasturtium
Species - Officinale
Variety - Aqua
Common name - Watercress
Pre-Treatment - Not-required
Hardiness zones - 3 - 11
Height - 0,50 m
Spread - 1 m
Plant type - Annual or Perennial Herb
Exposure - Full Sun, partial shade
Growth rate - Fast
Soil PH - Neutral
Soil type - Moist & fertile
Water requirements - High
Landscape uses - Container, ponds, moist soils. Often cultivated for its edible leaves
Bloom season - May to October
Leaf / Flower color - Green / White
Sow from March to August in a prepared seed bed in growing position or directly into large pots.
Sow thinly in rows 25 cm apart. Cover lightly with with fine soil. Firm gently, keep moist.
For continues crops, sow every 2-3 weeks.
Seedlngs appear in 7-14 days.