
Clematis Diamantina
Clematis x hybrida 'Diamantina'
Essentials
At a Glance
Plant Type
Vine
Height
96 inches
Width
36 inches
Light
Full Sun, Partial Sun
Zones
4, 5, 6, 7, 8, 9
Water
Moderate
Humidity
Average
Lifespan
Perennial
Native To
Cultivated hybrid
Toxicity
Toxic to humans and pets if ingested
The Story
Plant Bio
A compact, deciduous climber with lush green foliage. It is prized for its stunning, large, fully double flowers, which resemble dahlias or pom-poms. The flowers of 'Diamantina' are a rich purple-blue and appear in late spring on old wood, then rebloom in late summer on new growth. It belongs to Pruning Group 2.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
Shipping costs Year-round shipping Free shipping
Planting
How to Grow
- Select a sunny location with well-drained soil.
- Tuck young plants into soil, water thoroughly.
- Mist cuttings with water regularly for root development.
- Tie the vine to a trellis or support structure for climbing.
- Prune after flowering to maintain shape and encourage blooms.
- Mulch around base to retain moisture and suppress weeds.
Pro Tip
Ensure support structure is sturdy; Clematis loves to climb on strong trellises.
Keep It Thriving
Care Guide
Do
- Water regularly, especially during dry spells 🌱
- Prune in late winter or early spring
- Feed with a balanced fertilizer in early spring
Don't
- Avoid letting roots sit in water ❌
- Don’t prune after mid-summer
- Do not neglect support structure
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Mulch | ||||||||||||
| Prune |
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
Clematis Diamantina questions
What zones can Clematis Diamantina grow in?
Clematis Diamantina 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 Clematis Diamantina deer resistant?
Not reliably. Deer may browse Clematis Diamantina, especially tender spring growth — plan on repellents or fencing where pressure is high.
When does Clematis Diamantina bloom?
Clematis Diamantina typically blooms in late spring through late fall. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Clematis Diamantina need full sun?
Clematis Diamantina does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.
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