Clematis H.F. Young

H.F. Young Clematis

Clematis ‘H.F. Young’ is a classic large-flowered clematis admired for its clear sky-blue blooms and refined, elegant presence. Flowering in generous flushes, it brings cool-toned color and structure to trellises, arbors, and pergolas.


Plant Profile
Type: Deciduous flowering vine

Mature Size:



Width: 3–5 ft



Height: 8–12 ft



Bloom:



Large (6–8 in.) star-shaped flowers



Clear blue to lavender-blue petals with pale creamy stamens



Heavy bloom in late spring to early summer with a lighter repeat in late summer



Foliage: Medium green; dense enough to showcase 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



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



Clear blue flowers combine beautifully with whites, pinks, and deep purples



Dependable repeat bloomer with good garden performance




Care Notes


Prune lightly in early spring, removing dead or weak stems



After first bloom, lightly trim spent flowers 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

Blue

Leaf color

Green

Fall color

Green

Attracts

Bees butterflies birds

Soil

Moist well-drained

Landscape use

Trellis

Shape

Climbing

Drought tolerant

No