vine
Clematis jackmanii 'Colossal Blooms'
Jackman's Clematis
Not currently listed at our partner nurseries.
Expertly Curated
Real-Time Pricing
Loved by Designers
Essentials
At a Glance
Plant Type
Vine
Height
144 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8
Water
Moderate
Humidity
Moderate
Lifespan
Perennial
Native To
Cultivated hybrid
Toxicity
Toxic to pets and humans if ingested; can cause skin irritation
The Story
Plant Bio
Large, showy flowers with a stunning purple color. Notable for its massive blooms that can reach up to 7-10 inches across.
Bloom Period:
J
F
M
A
M
J
J
A
S
O
N
D
EarlyLate
Uses & Benefits:
Vivid, large purple blooms create striking vertical accents in gardens and landscapes.
Climbs on structures, saving space and providing shade or privacy screens.
Supports pollinators like bees and butterflies with nectar-rich flowers.
Marketplace
Where to Buy
We couldn't find this plant listed online right now.
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Tuck young vines near a sturdy trellis or fence for support.
- Mist cuttings regularly to maintain humidity and encourage rooting.
- Water consistently, keeping soil moist but not waterlogged.
- Apply a balanced fertilizer in early spring to promote healthy growth.
- Prune after flowering to shape the vine and remove dead stems.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Plant in well-drained soil with plenty of sunlight for abundant blooms.
Keep It Thriving
Care Guide
Do
- Provide full sun for optimal flowering 🌞
- Water regularly during dry spells 💧
- Prune after flowering to maintain shape ✂️
- Mulch to conserve moisture and control weeds 🌱
- Support with a sturdy trellis or arbor
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late fall or winter ❌
- Never let the soil dry out completely ❌
- Avoid heavy fertilization with high nitrogen ❌
- Don’t forget to support the vines
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Deadhead | ||||||||||||
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Stake |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Vigorous flowering vine for arbors and fencesColorful backdrop for garden bedsClimbing accent on walls or pergolas
Companion Plants
Hostas Daylilies Lavender Salvia Roses
Multiply
Propagation Methods
Good to Know