How to Grow Hagley Hybrid Clematis
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Hagley Hybrid Clematis
Clematis × jackmanii 'Hagley Hybrid'
vineHagley Hybrid is a deciduous flowering vine prized for its large, rosy-mauve flowers with distinctive dark red stamens. This popular clematis blooms prolifically throughout summer and early fall, making it an excellent choice for arbors, trellises, and pergolas. It belongs to the Jackmanii group and is known for vigorous growth and reliable performance in most climates.
When should you plant Hagley Hybrid Clematis in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Hagley Hybrid Clematis timeline · Pittsburgh, PA (Zone 6b)
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Plant Hagley Hybrid Clematis
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Hagley Hybrid Clematis
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Hagley Hybrid Clematis dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 4-9; thrives in temperate climates with cool roots and warm flowering canopy
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Get my Hagley Hybrid Clematis timeline →Growth Stages
Vigorous Growth (Year 2-3)
24 monthsRapid vine extension with multiple stems reaching 6-10 feet; abundant leaf development
Prune annually in early spring to encourage branching, train vines onto support structure, maintain consistent moisture
Flowering
4 months (June-September)Large 4-6 inch mauve-pink flowers with dark red stamens appear on new wood from mid-June through September
Deadhead spent flowers to encourage continuous blooming, provide balanced fertilizer monthly during bloom season, ensure adequate water and sunlight
Post-Bloom & Dormancy
3 months (October-December)Flowers fade, foliage continues through fall, vine goes dormant in late autumn
Cut back vine by two-thirds in late winter/early spring before new growth, remove dead or weak stems, apply mulch for winter protection in colder zones
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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No cure once present; remove affected stems, improve air circulation, avoid overhead watering, plant deeply to encourage multiple shoots
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Ensure good air flow, avoid wetting foliage, spray with sulfur or fungicide if severe, prune out affected growth
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Increase humidity with regular misting, spray with neem oil or horticultural soap, avoid over-fertilizing
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Hand-pick in early morning, use pheromone traps away from plant, apply neem oil spray if population is severe
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and
Apply copper tape around stems, use beer traps, handpick at night, remove mulch that's in direct contact with stems
Uses
Cut Flowers & Arrangements
CraftLarge rosy-mauve blooms with striking dark stamens make excellent cut flowers lasting a week in water. Ideal for floral arrangements, wedding bouquets, and decorative displays. [source]
Garden Structure Coverage
HouseholdVigorous vine reliably covers trellises, arbors, and pergolas, providing vertical interest and romantic garden aesthetics without excessive maintenance. [source]
Pollinator Attraction
WildlifeFlowers attract bees, butterflies, and hoverflies; seed heads provide visual interest and winter food for birds. [source]
Traditional Medicine
MedicinalHistorically used in herbal medicine for various remedies, though modern medical use is limited. Exercise caution as some clematis species contain mildly toxic compounds. [source]
Ornamental Seed Heads
CraftSilvery, feathery seed heads provide extended seasonal interest and are valued in dried flower arrangements and woodland garden designs. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Cut fresh flowers when fully open for vase arrangements; they last 7-10 days in water. Cut stems in early morning. Flowers can be enjoyed on the plant throughout the season. For seed heads (attractive ornamentally), allow spent flowers to remain for silvery plume formation.
Fun Facts
- 🌱 Hagley Hybrid was developed in the 1960s and remains one of the most popular clematis varieties for garden use, prized for its reliability and stunning color contrast between mauve petals and crimson stamens.
- 🌱 Clematis vines grow by twining leaf petioles (leaf stems) around supports rather than true tendrils, requiring careful training but allowing growth in unique patterns and directions.
- 🌱 The distinctive deep red stamens of Hagley Hybrid create a striking visual effect that appears almost three-dimensional, making it a favorite for close-up photography and detailed garden viewing.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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