Approximately 650 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
15478
USDA average, annual, minimum temperature
Zone:4
Type of plant -
biennial, the leaves form a low rosette the first year, growing vertically and flowering the following spring.
Flower:
PURPLE, in 3cm. dia. capitula
Fruit:
achene to 4mm. long
Foliage:
lanceo.-pinnatifid
Height in meters: 1.5
Common names for Cirsium palustre:
Cirsium palustre
is included in the following B and T World Seeds flowering plant categories:
12: British Native Wild Flowers Shrubs and Trees
56: Aquatic and Semi aquatic Plant Seeds
72: Russian Native and Introduced Plants (Central)
77: Central European Native and Introduced Plants
86: Natives of U.S.North East
185: Plant Species whose germination is improved by Smoke
246: Asteraceae
708: Compositae
Germination guide
Cirsium palustre seeds will usually germinate in 15-18 days. Sow seeds about 3mm deep in a Well drained seed sowing mix at about 22°C.