Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Silphium

Species:

Silphium albiflorum

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

2-3 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

may, jun, jul

Bloom Colors:

White

Native Range

United States: Texas

Keystone Species Ranking

Bee Keystone:

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

Host Plant for Caterpillars

Soil Requirements

Soil Type:

rocky, well-drained limestone soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to limestone prairies and glades