B and T World Seeds' reference number: 444193
Type of plant - annual or biennial, depending on climate
Flower: PINK flts., infl.to 10x5mm.
Foliage: GREENN, bipinnatisect, ~arachnoid
Height in meters: 0.5

Common names for Centaurea diffusa: Diffuse Knapweed,  Sparrige-Flockenblume,  White Knapweed, 

Centaurea diffusa 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
46:   Mediterranean Natives and Introduced Plant Seeds
185:   Plant Species whose germination is improved by Smoke
246:  Asteraceae
708:  Compositae

Germination guide
Centaurea diffusa seeds will usually germinate in 7-14 days. Normally germinates in the dark. Sow seeds about 2mm deep in a Well drained seed sowing mix at about 15-20°C.