Clematis 'Diamantina'
Clematis 'Diamantina' is a striking double flowering clematis producing large layered violet blue blooms that appear in late spring and often rebloom in late summer. Its climbing habit and dramatic flower form make it a standout for vertical interest on trellises, fences, and arbors while adding long lasting color to sunny garden spaces.
Height & Spread: 6 - 8 ft x 2 - 3 ft
Bloom Time: Late spring with rebloom in late summer
Light Requirements: Full sun to part shade
Soil Preference: Moist, well drained, fertile soil
Watering Needs: Moderate; prefers consistent moisture
Deer Resistance: Deer resistant
Native Status
This is a cultivated hybrid clematis selected for its large double blooms and extended flowering performance and is not a native North American species.
WILDLIFE & INSECTS
Bees
- Attracts native bees and bumblebees which forage for nectar in the open early season blooms.
Butterflies
- Draws a range of butterflies including Swallowtails and Painted Ladies which are attracted to its large colorful flowers.
Birds
- Seed heads provide seasonal interest and can offer light foraging value for small birds later in the season.
Spacing & Landscape Use
Spacing Recommendations
- Space 24 - 36 in apart when planting multiple vines to allow room for climbing spread and airflow.
Landscape Placement
- Best used on trellises, fences, pergolas, and garden structures where its vertical growth and large blooms can be showcased.
Companion Plants
- Rosa 'New Dawn' (Climbing Rose) - Creates a romantic layered display of overlapping blooms on vertical structures.
- Lavandula angustifolia 'Hidcote' (Lavender) - Provides fragrant low growing contrast beneath climbing clematis.
- Hydrangea paniculata 'Little Lime' (Panicle Hydrangea) - Adds grounded structure and seasonal bloom transition below vertical vines.
- Campanula persicifolia (Peachleaf Bellflower) - Brings upright spikes of soft blooms that complement clematis flower tones.
- Heuchera 'Caramel' (Coral Bells) - Offers warm foliage contrast at the base of climbing plantings.