B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:6
Type of plant - perennial
Foliage: GREEN, cut
Height in meters: 0.3
is included in the following B and T World Seeds flowering plant categories:
9: Alpine and Rock Garden Seed List (Hardy and Tender)
45: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds
77: Central European Native and Introduced Plants
185: Plant Species whose germination is improved by Smoke
Achillea atrata 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 atrata seeds on the surface of a Well drained seed sowing mix at about 17°C.
Reduce soil temperature at night.