The Story
Plant Bio
'Rooguchi' is a non-vining, herbaceous clematis hybrid from Japan, known for its distinctive, bell-shaped, deep purple flowers that bloom profusely from summer to fall.
This cultivar is prized for its long bloom season, unique flower shape, and its scrambling habit, making it ideal for growing through shrubs or on small trellises.
Uses & Benefits:
Essentials
At a Glance
Plant Type
Vine
Height
84 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Moderate
Lifespan
Perennial
Native To
Hybrid (Japan)
Toxicity
Toxic if ingested, can cause skin irritation
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck young vines into a sturdy trellis or fence for support.
- Water thoroughly after planting to establish roots within 2 weeks.
- Prune in late winter to remove dead or weak stems, encouraging vigorous growth.
- Mulch around the base to retain moisture and suppress weeds.
- Fertilize with a balanced, slow-release fertilizer in early spring and mid-summer.
- Train vines along supports, gently guiding new growth for even coverage.
Pro Tip
Provide a cool, shaded root area with mulch to promote healthy vine growth.
Keep It Thriving
Care Guide
Do
- Water regularly, especially during dry spells 🌱
- Prune annually to maintain shape and promote flowering
- Support with trellises or arbors for optimal display
- Apply a balanced fertilizer in spring and summer
- Mulch to conserve moisture and regulate soil temperature
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late summer or fall, as it may remove next season’s blooms
- Never neglect support structures for climbing growth
- Avoid planting in overly shaded areas that hinder flowering
- Don’t fertilize with high nitrogen in late fall
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Prune | ||||||||||||
| Stake |
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
Rooguchi Clematis questions
What zones can Rooguchi Clematis grow in?
Rooguchi Clematis 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 Rooguchi Clematis deer resistant?
Yes — Rooguchi Clematis is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Rooguchi Clematis bloom?
Rooguchi Clematis typically blooms in summer to fall through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Rooguchi Clematis need full sun?
Rooguchi Clematis does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
More Clematis to compare

Tie Dye Clematis
Clematis viticella 'Tie Dye'

Dr. Ruppel Clematis
Clematis x jackmanii 'Dr Ruppel'

Burning Love Clematis
Clematis x cartmanii 'Burning Love'

Yuan Clematis
Clematis viticella 'Yuan'

Tsukiko Clematis
Clematis x durandii 'Tsukiko'

Viva Polonia Clematis
Clematis x hybrida 'Viva Polonia'
Keep exploring
Explore the genus
Grow Rooguchi Clematis 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.
