Giant Fleabane
Inula magnifica
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
72 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate once established
Humidity
Prefers dry to moderate humidity
Lifespan
Perennial
Native To
Caucasus
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Inula magnifica is a tall perennial known for its impressive height and large, striking yellow flowers. A statuesque perennial, noted for its towering height (up to 6 ft) and enormous, daisy-like, bright yellow flowers with very narrow rays, creating a dramatic, shaggy effect.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
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Planting
How to Grow
- Select a sunny location with well-draining soil for planting.
- Tuck seeds 1/4 inch deep into moist soil early spring.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Transplant seedlings once they are sturdy, after 6 weeks of growth.
- Mulch around the base to retain moisture and suppress weeds.
- Fertilize with a balanced, slow-release fertilizer in early spring.
Pro Tip
Ensure excellent drainage to prevent root rot and promote healthy growth.
Keep It Thriving
Care Guide
Do
- Water regularly during dry spells 🌱
- Prune after flowering to encourage bushy growth
- Apply organic compost annually for rich soil
Don't
- Avoid overwatering to prevent root rot ❌
- Do not disturb roots during flowering
- Refrain from using chemical fertilizers excessively
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Spring Cleanup | ||||||||||||
| Stake |
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
Giant Fleabane questions
What zones can Giant Fleabane grow in?
Giant Fleabane is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Giant Fleabane deer resistant?
Not reliably. Deer may browse Giant Fleabane, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Giant Fleabane bloom?
Giant Fleabane 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 Giant Fleabane need full sun?
Giant Fleabane does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
Keep exploring
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Grow Giant Fleabane 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.
