Approximately 3300 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: WHITE, high pc double, 1st.yr.flg., ~ 12 weeks
Height in meters: 0.6
Common names for Achillea ptarmica The Pearl Superior:
Achillea ptarmica The Pearl Superior
is included in the following B and T World Seeds flowering plant categories:
1: Species in Stock at B and T
19: Everlasting and Dried Flower Seeds Australian and Other
43: Herbaceous Border Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
45: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds
53: Bedding Plant Seed List
185: Plant Species whose germination is improved by Smoke
698: First Year Flowering Perennials
952: Wholesale Selection
Achillea ptarmica The Pearl Superior seeds will usually germinate in 30-100 days, even under good conditions germination may be erratic. Normally will only germinate with light so surface sow. Sow Achillea ptarmica The Pearl Superior seeds on the surface of a Well drained seed sowing mix at about 17°C.
Reduce soil temperature at night.