Ernest Markham Clematis
Clematis vitalba 'Ernest Markham'
Not currently listed at our partner nurseries.
Essentials
At a Glance
Plant Type
Vine
Height
144 inches
Width
48 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Hybrid origin
Toxicity
Toxic if ingested
The Story
Plant Bio
Clematis 'Ernest Markham' is a deciduous, large-flowered climbing vine, prized for its profuse, vibrant magenta-red flowers. It is a member of the late-flowering group (Pruning Group 3). This cultivar is notable for its rich color and robust growth habit, making it a popular choice for providing color and coverage.
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Tuck young vines into a sturdy trellis or fence for support.
- Mist cuttings regularly to maintain humidity and promote rooting.
- Water consistently, especially during dry periods, to encourage healthy growth.
- Apply a balanced fertilizer in early spring to boost vigor.
- Prune after flowering to shape the vine and remove dead or weak stems.
- Mulch around the base to retain moisture and suppress weeds.
Pro Tip
Provide a sunny or partly shaded spot for optimal flowering and vigorous growth.
Keep It Thriving
Care Guide
Do
- Water deeply during hot, dry spells 🌱
- Prune after flowering to maintain shape
- Support with a strong trellis or arbor
- Feed with a balanced fertilizer in spring
Don't
- Avoid overwatering to prevent root rot ❌
- Don’t prune in late summer or fall, which can reduce flowering
- Do not plant in poorly drained soil
- Avoid neglecting support structures
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| Plant | ||||||||||||
| Prune | ||||||||||||
| Stake |
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
Ernest Markham Clematis questions
What zones can Ernest Markham Clematis grow in?
Ernest Markham Clematis is hardy in USDA Zones 4–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Ernest Markham Clematis deer resistant?
Yes — Ernest Markham Clematis is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Ernest Markham Clematis bloom?
Ernest Markham Clematis typically blooms in mid-summer to early fall through mid-summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Ernest Markham Clematis need full sun?
Ernest Markham 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'
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Clematis x jackmanii 'Dr Ruppel'
Yuan Clematis
Clematis viticella 'Yuan'
Burning Love Clematis
Clematis x cartmanii 'Burning Love'
Viva Polonia Clematis
Clematis x hybrida 'Viva Polonia'
Tsukiko Clematis
Clematis x durandii 'Tsukiko'
Keep exploring
Explore the genus
Collections featuring this plant
Grow Ernest Markham 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.
