Clematis 'Jackmanii'
Clematis 'Jackmanii' is a vigorous deciduous climbing vine prized for its large rich purple flowers that bloom profusely from mid to late summer. It quickly covers trellises, arbors, and fences with lush green foliage and dramatic blossoms creating vertical color and seasonal interest with minimal maintenance.
Height & Spread: 8 - 12 ft x 3 - 6 ft
Bloom Time: Mid summer to early fall
Light Requirements: Full sun to part shade
Soil Preference: Rich, well drained soil with cool root zone
Watering Needs: Moderate; water regularly in dry periods
Deer Resistance: Occasionally browsed but not preferred
Native Status
This hybrid cultivar is not native to North America. It was bred in England in the 19th century and remains one of the most popular garden clematis varieties worldwide.
WILDLIFE & INSECTS
Bees
- Flowers attract a variety of native bees and honeybees that seek nectar and pollen from its open, accessible blooms.
Spacing & Landscape Use
Spacing Recommendations
- Space 3 - 5 ft apart at the base of supports to allow airflow and adequate root space.
Landscape Placement
- Ideal for vertical structures like trellises, pergolas, mailboxes, and chain link fences. Can also be grown through shrubs or small trees for a layered floral effect.
Companion Plants
- Rosa 'New Dawn' (Climbing Rose) - Offers a romantic pairing with Clematis, intertwining blush pink roses with purple blooms.
- Salvia nemorosa (Wood Sage) - Provides a complementary upright form and blue violet flowers beneath climbing stems.
- Geranium macrorrhizum (Bigroot Geranium) - Covers ground beneath clematis with fragrant foliage and late spring flowers.
- Hakonechloa macra (Japanese Forest Grass) - Adds soft foliage at the base while shading clematis roots as they prefer.
- Hydrangea arborescens 'Annabelle' - Provides a shrub structure for clematis to climb through while blooming in harmony.