Astilbe Astounding
Astilbe astilbe 'Astounding'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Perennial
Height
24 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
Consistently moist soil
Humidity
Prefers high humidity environments
Lifespan
Perennial
Native To
Asia and North America
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
Astounding is known for its stunning feathery plumes that create a striking display in shaded gardens. This cultivar is particularly noted for its robust height and resilience in moist environments.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck seeds or divisions into moist soil in early spring.
- Water consistently to keep soil evenly moist during growing season.
- Mist cuttings regularly to maintain humidity and root development.
- Fertilize with a balanced, slow-release fertilizer in spring.
- Mulch around plants to retain moisture and suppress weeds.
- Divide clumps every 3–4 years in early spring or fall.
Pro Tip
Plant Astilbe in shaded or partially shaded areas with rich, moist soil for best growth.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Apply mulch to conserve moisture
- Deadhead spent flowers to promote rebloom
- Fertilize in spring with organic compost
Don't
- Avoid letting soil dry out completely ❌
- Don’t expose to harsh, direct sunlight
- Refrain from over-fertilizing, which can cause weak growth
- Do not plant in poorly-draining soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Mulch | ||||||||||||
| 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
Astilbe Astounding questions
What zones can Astilbe Astounding grow in?
Astilbe Astounding 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 Astilbe Astounding deer resistant?
Yes — Astilbe Astounding is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Astilbe Astounding bloom?
Astilbe Astounding typically blooms in mid-summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Astilbe Astounding need full sun?
Astilbe Astounding does best in part shade.
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Peach Blossom Astilbe
Astilbe astilbe 'Peach Blossom'
Keep exploring
Explore the genus
Collections featuring this plant
Hardy in your zone?
Grow Astilbe Astounding 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.
