Narrowleaf Ironweed

Vernonia lettermannii

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Vernonia
Species:
Vernonia lettermannii

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jul, aug
Bloom Colors:
Purple

Native Range

United States: Arkansas, Oklahoma

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

Bees: American bumble bee (Bombus pensylvanicus), American bumble bee (Bombus pensylvanicus)

Soil Requirements

Soil Type:
rocky, well-drained sandy loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to rocky outcrops and riverbanks