Gravelweed
Verbesina helianthoides
- Native to:
- United States
Mason Brock ( Masebrock (en.wikipedia.org) )
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Verbesina
- Species:
- Verbesina helianthoides
- USDA Symbol:
- VEHE
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 120 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★★★★ Native pollen specialist bee species supported by this genus (NWF)
Host Plant for Caterpillars
Harris's Cracker (Charidryas harrisii), orange oakleaf (Charidryas nycteis), Pearl Crescent (Phyciodes tharos)
Reported Fauna Sightings
Bees: Brown-belted bumble (Bombus griseocollis), Common eastern bumble bee (Bombus impatiens), Two-spotted Longhorn (Melissodes bimaculatus), ⚠️Western honey bee (Apis mellifera)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from rootstock following fire; responds positively to periodic burning in prairie management.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage required
- Moisture:
- moderate moisture
- Notes:
- prefers fertile soils in open woodlands
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Cold stratification improves germination rates. Seeds may germinate without treatment but at lower percentages.
The above propagation data sourced from Claude AI