Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Centaurea

Species:

Centaurea nigra subsp. rivularis

Growth Characteristics

Growth Habit:

Forb/herb

Height:

90 cm

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug,sep

Bloom Colors:

purple, pink

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds

Deer Resistant:

Yes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Seeds germinate readily with light exposure after cold stratification. Spring sowing outdoors or indoor stratification both effective.

The above propagation data sourced from Claude AI