Clematis Kermesina

Kermesina Clematis

Clematis ‘Kermesina’ is a vivid, large-flowered clematis celebrated for its rich crimson-red blooms and strong garden presence. The saturated color holds well through the season, making it an excellent choice for adding bold contrast to trellises, arbors, and fences.


Plant Profile
Type: Deciduous flowering vine

Mature Size:



Width: 3–5 ft



Height: 8–12 ft



Bloom:



Large (6–8 in.) star-shaped flowers



Deep crimson to ruby-red petals with contrasting creamy-yellow stamens



Main bloom in late spring to early summer, with repeat flowering in late summer



Foliage: Medium green; clean and supportive of showy blooms

Zones: 4a–9b
Light: Full sun to partial shade (morning sun with afternoon shade preferred)
Soil: Moist, well-drained, fertile soils
Water: Moderate; consistent moisture recommended

Pruning Group: Group 2 (light to moderate pruning)


Features & Uses


Form: Upright to gently spreading climber with a balanced, classic habit



Ideal for trellises, pergolas, fences, obelisks, and arbors



Rich red color pairs beautifully with whites, pinks, and soft blues



Strong focal-point vine for entryways and vertical accents



Reliable rebloom with proper pruning




Care Notes


Prune lightly in early spring, removing dead or weak stems



After the first flush of flowers, lightly trim to encourage rebloom



Mulch roots to keep soil cool and evenly moist



 

Plant type

Vine

Height

8-12'

Width

3-5'

Hardiness zones

4–9

Sunlight

Full Sun, Partial Shade

Bloom time

Early Fall, Fall, Late Summer, Summer

Flower color

Red

Leaf color

Green

Fall color

Green

Attracts

Bees butterflies birds

Soil

Loamy, Moist well-drained

Landscape use

Trellis

Shape

Climbing

Fragrant

Yes

Drought tolerant

No