Approximately 0 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:5
Type of plant - perennial
Flower: pale YELLOW, in 3.5cm. capitula
Fruit: cypsela to 5mm. long
Foliage: pinnatif. lobed. suborb.
Height in meters: 1.2
Common names for Cirsium spinosissimum:
is included in the following B and T World Seeds flowering plant categories:
43: Herbaceous Border Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
77: Central European Native and Introduced Plants
185: Plant Species whose germination is improved by Smoke
Cirsium spinosissimum seeds will usually germinate in 15-18 days. Sow seeds about 3mm deep in a Well drained seed sowing mix at about 22°C.