Cardamine rotundifolia

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Cardamine rotundifolia
Light:Full Sun Part Shade
Moisture:Mesic Hydric
Hardiness:6
Soil pH:5.6-8.4
Self Pollinated
Height:1'
Width:2'
Blooms:Mid Spring-Late Summer
Native to:
Edible Rating:PFAF Edibility RatingPFAF Edibility Rating
Tea:Yes
Poisonous

Cardamine rotundifolia (common name: american water cress)

Propagation: Seed - sow spring in a cold frame. Germination usually takes place within 1 - 3 weeks at 15°c[1]. When large enough to handle, prick the seedlings out into individual pots and grow them on in light shade in a greenhouse or cold frame for the first two years, planting them out when dormant in late summer.

Division in early spring or after the plant dies down in the summer. Larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the spring.

Cultivation: Succeeds in most soils so long as they are not dry[2]. Grows wild in shallow water[3]. Prefers a moist humus rich soil in shade or semi-shade[4].

A mat-forming stoloniferous species[4].

Range: Eastern N. America - New York to Ohio, Missouri, North Carolina and Kentucky.

Habitat: Cold springs and brooksides[5][3].

Edibility: Leaves - raw or cooked[105. 161][6]. A hot water-cress like flavour[7][K].

Pollinators: Bees, flies, lepidoptera

Soil: Can grow in light, medium, and heavy soils.

Seed Ripens: Late Spring-Early Fall

Flower Type: Hermaphrodite

Links

References

  1. Bird, Alfred. Focus on Plants Volume 5. Thompson and Morgan, 1991.
  2. Chittendon, Fred. RHS Dictionary of Plants. Oxford University Press, 1951.
  3. 3.0 3.1 Britton, Nathaniel and Addison Brown. An Illustrated Flora of the Northern United States and Canada. Dover Publications, 1970.
  4. 4.0 4.1 Huxley, Anthony. The New Royal Horticultural Society Dictionary of Gardening. MacMillan Press, 1992.
  5. Lyndon, Merritt. Gray's Manual of Botany. American Book Co, 1950.
  6. Kunkel, Günther. Plants for Human Consumption. Koeltz Scientific Books, 1984.
  7. Hedrick, Ulysses. Sturtevant's Edible Plants of the World. Dover Publications, 1972.