Sharpleaf Gumweed
Grindelia hirsutula
- Native to:
- Canada, United States
iNaturalist: © seedleaf (iNaturalist #169861220)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Grindelia
- Species:
- Grindelia hirsutula
- USDA Symbol:
- GRAC
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- High
- Bloom Months:
- may,jun,jul,aug,sep,oct
- Bloom Colors:
- yellow
Wildlife Benefits
- Bees:
- ★☆☆☆☆ Documented bee visitation (GBIF)
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★★★★ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, birds
- Deer Resistant:
- Yes
- Salt Tolerant:
- Yes
- Fragrant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown following fire; common in post-fire grassland and coastal scrub communities.
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily without pretreatment. Surface sow as seeds may require light for germination.
The above propagation data sourced from Claude AI