Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Cirsium

Species:

Cirsium wheeleri

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

2-3 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jul, aug, sep, oct

Bloom Colors:

White, Pink, Purple

Native Range

United States: Arizona, Colorado, New Mexico, Nevada, Utah

Keystone Species Ranking

Bee Keystone:

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

Reported Fauna Sightings

Soil Requirements

Soil Type:

rocky, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

commonly found in mountainous regions

Germination Information