The Story
Plant Bio
Astilbe x hybrida is a group of clump-forming herbaceous perennials native to East Asian woodlands, prized for their fern-like foliage and plumy summer flowers. These plants thrive in damp, shaded environments where their fine root systems are protected from drying out.
'Younique Carmine' is a compact cultivar distinguished by its dense, rounded habit and upright, triangular panicles of intense carmine-red flowers. The glossy, deeply toothed compound leaves emerge deep green and maintain a neat, lacy structure throughout the growing season.
Uses & Benefits:
Bred from more than one wild species, so it has no species page of its own.
Essentials
At a Glance
Plant Type
Perennial
Height
16"
Width
18"
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8
Water
High
Humidity
High
Lifespan
Perennial
Native To
Asia
Toxicity
Non-toxic
Bloom period
Late spring – Summer
In flower about 4 months of the year
Planting
How to Grow
- Select a planting site in partial to full shade with rich, organic, moisture-retentive soil.
- Dig a hole twice the width of the root ball and incorporate compost to improve water retention.
- Set the plant at the same depth as its container, backfill with soil, and water thoroughly to settle the roots.
- Apply a three-inch layer of organic mulch around the base to preserve soil moisture and keep roots cool.
Pro Tip
Plant in moisture-retentive soil rich in organic matter and apply a thick layer of organic mulch; allowing the soil to dry out even once during summer heat causes irreversible leaf scorch and plant collapse.
Keep It Thriving
Care Guide
Do
- Keep the soil consistently moist, especially during hot summer spells.
- Apply a slow-release organic fertilizer or compost mulch in early spring.
- Divide overcrowded clumps every three to four years in early spring to maintain vigor.
Don't
- Do not allow the soil to dry out completely, as this triggers immediate leaf scorch.
- Do not prune into old, leafless woody stems at the base of the plant.
- Avoid heavy over-fertilization, which can damage the root system.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Spring Cleanup |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Multiply
Propagation Methods
Good to Know
Common Questions
Astilbe questions
What zones can Astilbe grow in?
Astilbe 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 deer resistant?
Yes — Astilbe is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Astilbe bloom?
Astilbe typically blooms in late spring through summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Astilbe need full sun?
Astilbe does best in part shade.
More Astilbe to compare

Visions Astilbe
Astilbe chinensis 'Visions'

'Visions in Pink' Chinese Astilbe
Astilbe chinensis 'Visions in Pink'

Garden Astilbe
Astilbe astilboides 'Garden Mix'

Rheinland Astilbe
Astilbe x arendsii 'Rheinland'

Bridal Veil Astilbe
Astilbe x arendsii 'Bridal Veil'

Peach Blossom Astilbe
Astilbe x rosea 'Peach Blossom'
Keep exploring
Explore the genus
Hardy in your zone?
Grow Astilbe 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.




