Hoary Vervain (Vernonia fasiculata) is a seasonal plant with lavender blooms from mid- to late summer. They prefer mesic soil in full sun where they grow up to 4 feet tall. They are a good choice for sunny banks and slopes. Companion plants include Palm Sedge (Carex muskigemensis) and Ohio Spiderwort (Tradescantia ohiensis).
Maintenance
No serious maintenance needs.
About
Moisture Requirements
Banks,
Slopes Soil Requirements
Clay,
Rock,
Sand Height
Medium Spacing
2 to 3 feet Category
Seasonal Attracts
Bees,
Birds,
Butterflies Illinois Native Plant Status
Yes Bloom Time
May,
June,
July,
August,
September Bloom Color
Lavender Seasonality
Fall,
Spring,
Summer,
Winter Sociability
Groups of 5-10, Groups of 10-20