Knapweed

Centaurea × psammogena

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Centaurea
Species:
Centaurea × psammogena

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Bloom Months:
may

Native Range

Canada: British Columbia, Ontario, Quebec

Soil Requirements

Soil Type:
sandy, nutrient-poor, well-drained
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Adapted to coastal sandy dunes