Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Cirsium

Species:

Cirsium pyrenaicum

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

4-6 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jun, jul, aug

Bloom Colors:

pink, purple

Native Range

United States: Oregon

Keystone Species Ranking

Bee Keystone:

★★☆☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to mountainous regions, prefers open areas