Watanabe's Peltoboykinia
Peltoboykinia watanabei
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Shrub
Height
20 inches
Width
18 inches
Light
Partial Sun, Shade
Zones
5, 6, 7, 8
Water
Moist
Humidity
Moderate
Lifespan
Perennial
Native To
Japan
Toxicity
Non-toxic to humans and pets
The Story
Plant Bio
A rhizomatous herbaceous perennial forming a clump of large, rounded, palmately-lobed, maple-like leaves. This species is valued for its bright, ornamental fall foliage that turns vibrant shades of orange and red, making it a striking addition to woodland gardens and shaded borders.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck young plants into well-prepared, moist soil in early spring.
- Water deeply after planting to establish roots.
- Mulch around the base to retain moisture and regulate soil temperature.
- Prune lightly after flowering to maintain shape.
- Fertilize with a balanced, slow-release fertilizer in spring.
- Monitor for pests and diseases regularly.
Pro Tip
Plant in partial shade with moist, acidic soil for best results.
Keep It Thriving
Care Guide
Do
- Water regularly to keep soil moist 🌱
- Mulch to conserve moisture and suppress weeds
- Prune lightly after flowering to shape the shrub
- Feed with a balanced fertilizer in spring
Don't
- Avoid overwatering which can cause root rot ❌
- Don’t prune in late fall or winter
- Avoid planting in overly dry or alkaline soils
- Don’t expose to harsh, direct sunlight in peak summer
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Divide | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| 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
Watanabe's Peltoboykinia questions
What zones can Watanabe's Peltoboykinia grow in?
Watanabe's Peltoboykinia is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Watanabe's Peltoboykinia deer resistant?
Not reliably. Deer may browse Watanabe's Peltoboykinia, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Watanabe's Peltoboykinia bloom?
Watanabe's Peltoboykinia typically blooms in late spring to early summer through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Watanabe's Peltoboykinia need full sun?
Watanabe's Peltoboykinia does best in part shade.
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See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
