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:7
Type of plant - perennial
Flower: WHITE ( occ. LILAC)
Foliage: densely tufted, linear lvs., glab
Height in meters: 0.2
is included in the following B and T World Seeds flowering plant categories:
1: Species in Stock at B and T
9: Alpine and Rock Garden Seed List (Hardy and Tender)
43: Herbaceous Border Plant Seed List
78: South Eastern European Native and Introduced Plants
185: Plant Species whose germination is improved by Smoke
Gypsophila petraea seeds will usually germinate in 10-15 days, even under good conditions germination may be erratic. Sow seeds about 1mm deep in a Peaty seed sowing mix at about 20°C.