Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Carduus

Species:

Carduus × atacinus

Growth Characteristics

Height:

120 cm

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

purple, pink

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds (seeds)

Deer Resistant:

Yes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds germinate readily with light and cool temperatures. Variable germination timing typical of hybrid thistles.

The above propagation data sourced from Claude AI