Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Cirsium

Species:

Cirsium sieversii

Growth Characteristics

Height:

150 cm

Drought Tolerance:

Medium

Bloom Months:

jun,jul,aug

Bloom Colors:

purple, pink

Keystone Species Ranking

Pollen Specialist Bee Keystone:

★★★★☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:

bees, butterflies, birds

Source: deepseek-v4-flash

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds benefit from cold stratification for 4-8 weeks to break dormancy; sow in spring after last frost.

Source: deepseek-v4-flash