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:6
Type of plant - perennial
Height in meters: 0.5
Campanula barbata Alba
is included in the following B and T World Seeds flowering plant categories:
9: Alpine and Rock Garden Seed List (Hardy and Tender)
43: Herbaceous Border Plant Seed List
77: Central European Native and Introduced Plants
128: Scandinavian Native Plant Seed List
185: Plant Species whose germination is improved by Smoke
Campanula barbata Alba seeds will usually germinate in 14-28 days. Normally will only germinate with light so surface sow. Sow Campanula barbata Alba seeds on the surface of a Peaty seed sowing mix at about 15-20°C.
Sow on the surface of moist compost, use a translucent cover to allow light in and to keep the compost humid and warm (do not place in direct sunlight)