The Story
Plant Bio
Hostas are clump-forming herbaceous perennials grown primarily for their beautiful foliage. They produce spikes of lily-like flowers in summer.
'Ki-renjyaku' is a unique Japanese cultivar prized for its rare, double, lavender flowers that resemble a spider mum. It has medium green, heart-shaped leaves.
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 inches
Width
24 inches
Light
Partial Sun, Shade
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Moderate to high
Lifespan
Many years with proper care
Native To
Asia
Toxicity
Toxic to dogs, cats, and horses
Bloom period
Mid-summer – Late summer
In flower about 2 months of the year
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Choose a shaded or partially shaded spot with rich, well-drained soil.
- Tuck seeds or divisions into soil in early spring or fall.
- Water regularly to keep soil moist but not soggy.
- Apply mulch to retain moisture and suppress weeds.
- Fertilize with a balanced fertilizer in spring for optimal growth.
- Mist or water during dry periods to prevent leaf scorch.
Pro Tip
Plant in well-drained soil with organic matter for best results.
Keep It Thriving
Care Guide
Do
- Water consistently to keep soil moist 🌱
- Apply mulch to conserve moisture
- Divide plants every 3-4 years to maintain vigor
- Remove dead or damaged leaves in early spring
Don't
- Avoid overly dry conditions ❌
- Don’t expose to direct, harsh sunlight
- Refrain from over-fertilizing, which can cause leaf burn
- Don’t plant in heavy, poorly drained soil
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Divide | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| 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
Hosta Ki-renjyaku questions
What zones can Hosta Ki-renjyaku grow in?
Hosta Ki-renjyaku is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Hosta Ki-renjyaku deer resistant?
Not reliably. Deer may browse Hosta Ki-renjyaku, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Hosta Ki-renjyaku bloom?
Hosta Ki-renjyaku typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Hosta Ki-renjyaku need full sun?
Hosta Ki-renjyaku does best in part shade.
More Hosta to compare

Blue Mouse Ears Hosta
Hosta cordifolia 'Blue Mouse Ears'

Patriot Plantain Lily
Hosta plantaginea 'Patriot'

June Hosta
Hosta fortunei 'June'

Fire Island Hosta
Hosta fortunei 'Fire Island'

Empress Wu Hosta
Hosta plantaginea 'Empress Wu'

Hosta Goldrush
Hosta x hybrida 'Goldrush'
Keep exploring
Explore the genus
Grow Hosta Ki-renjyaku 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.











































































































































































































































































































