Hairy Gumweed
Grindelia hirsutula
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
36 inches
Width
24 inches
Light
Full Sun, Partial Sun
Zones
6, 7, 8, 9
Water
Low to moderate
Humidity
Average
Lifespan
Perennial
Native To
North America
Toxicity
Non-toxic
The Story
Plant Bio
Grindelia hirsutula, also known as gumweed, is a perennial herb recognized for its hairy leaves and yellow flower heads. This species is known for its unique resinous sap that has historical medicinal uses.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds lightly into moist, well-draining soil in early spring.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Water consistently during the first growing season to establish roots.
- Thin seedlings to prevent overcrowding, allowing space for growth.
- Apply a balanced fertilizer every 6 weeks during active growth.
- Prune dead or damaged stems to encourage bushier growth.
Pro Tip
Use bright, direct sunlight for optimal flowering and vigorous growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist but not soggy 🌱
- Deadhead spent blooms to promote continuous flowering
- Provide full sun for best results
Don't
- Avoid overwatering, which can lead to root rot ❌
- Don’t allow soil to dry out completely
- Avoid heavy, waterlogged soils
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Plant | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Hairy Gumweed questions
What zones can Hairy Gumweed grow in?
Hairy Gumweed is hardy in USDA Zones 6–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hairy Gumweed deer resistant?
Yes — Hairy Gumweed is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Hairy Gumweed bloom?
Hairy Gumweed typically blooms in late summer through early fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hairy Gumweed need full sun?
Hairy Gumweed does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Is Hairy Gumweed drought tolerant?
Yes — once established (usually after the first full season), Hairy Gumweed handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.
Keep exploring
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Grow Hairy Gumweed with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
