Approximately 1100 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:3
Type of plant - perennial
Flower: colour range, some new
Height in meters: 0.5
Platycodon grandiflorus Mixed Hybrids
is included in the following B and T World Seeds flowering plant categories:
36: Herb Seed List Culinary Medicinal Dye and Aromatic
43: Herbaceous Border Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
185: Plant Species whose germination is improved by Smoke
Platycodon grandiflorus Mixed Hybrids seeds will usually germinate in 15-30 days. Normally will only germinate with light so surface sow. Sow Platycodon grandiflorus Mixed Hybrids seeds on the surface of a Well drained seed sowing mix at about 20°C.