Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Silphium

Species:

Silphium gracile

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb

Height:

3-4 ft

Light Requirements:

Full Sun, Part Shade

Drought Tolerance:

High

Bloom Months:

jun, jul, aug

Bloom Colors:

Yellow

Native Range

United States: Florida, Georgia, Louisiana, Mississippi, Texas

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:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Prefers open, sunny habitats with minimal competition.