‘Mrs. George Jackman’ Clematis
Clematis Montana ‘Mrs George Jackman‘
Plant Details
USDA Plant Hardiness Zones: 4a-9b Find Your Zone
Plant Type: Flowering Vine
Height or Length at Maturity: 6-10′
Width at Maturity: 2-3′
Spacing: 3′ apart to cover fences and walls
Spacing: 3′ apart to cover fences and walls
Growth Habit / Form: Climbing, Dense, Twining, Twisted Branching
Growth Rate: Moderate
Flower Color: Cream White with Brown anthers
Flower Type: Semi-Double
Flower Size: 6-7″
Flowering Period: Late Spring to Early Summer reblooming in Late Summer to Early Fall
Flowering Period: Late Spring to Early Summer reblooming in Late Summer to Early Fall
Fragrant Flowers: na
Foliage Color: Bright Green
Fragrant Foliage: No
Sun Needs: Full to Mostly Sun, Part Shade, All Day Lightly Filtered Sun
Water Needs: Average
Soil Type: Clay (amend heavy clay to ensure good drainage), Loam, Sandy, Silt
Soil Drainage: Moist but Well Drained
Soil pH: 5.5 – 7.0
Maintenance / Care: Low
Pruning Group: 2
Attracts: Butterflies, Hummingbirds, Beneficial Pollinators, Visual Attention
Resistances: Deer, Disease, Heat, Humidity, Insect
Description
An elegant slelection that has showcased its beauty in many a garden since its introduction in the mid 1800’s, the Mrs. George Jackman Clematis features large, 6 to 8 inch diameter, star-shaped, semi-double flowers with overlapping, satiny, cream white petals that surround a tuft of contrasting brown stamens. The first round of flowers appear in late spring to early summer with a second bloom in late summer to early fall. At 6 to 10 feet tall and 2 to 3 feet wide, time-tested cultivar is great for smaller gardens and containers.
Landscape & Garden Uses
Climbing 6 to 10 feet in height and 2 to 3 feet wide, the Mrs George Jackman Clematis is ideal for growing on arches, fences, trellises, obelisks, poles, mailbox and lamp posts and other structures. Excellent for pots, planters and other containers for situating on patios, decks and around other outdoor living spaces where the stunning flowers can be viewed and enjoyed from close up. A fine addition to Clematis gardens, white theme gardens and cottage gardens.
Suggested Spacing: 2 to 2.5 feet apart to cover fences, trellises, and walls
Growing Preferences
The Mrs George Jackman Clematis is easy to grow in a moist but well-drained soil of average fertility and full sun to part shade. We suggest a minimum of 4 hours direct sunlight per day for best flowering and overall performance. Though it tolerates dry periods when established, it will appreciate an occasional watering in prolonged periods of dry weather. See pruning instructions just below.
Clematis Pruning Group 2
Clematis in Group 2 consist of all the early, large-flowered hybrid clematis that bloom in late spring or early summer and maybe again in late summer. Clematis in this group should be pruned lightly in late winter or early spring. Pruning consists of removing weak and crossing shoots then thinning down the plant to a structure of evenly spaced one and two year old stems. Cut each stem just above a pair of healthy buds. Plants in this group have the tendency to become bare at the base as they mature. You can under-plant with small shrubs or perennials to help conceal the bare stems. Alternatively, you can often force a flush of new growth from the base by cutting the vine back to 18 inches immediately after the flush of bloom.
An alternate method of pruning Group 2 clematis is to prune only every three or four years. In this case, the clematis should be pruned as described for Group 3 clematis. This will produce a weak first flush of flowers in the summer after pruning.
Helpful Articles
Click on the link below to find helpful advice from our experts on how to plant and care for Clematis vines
How To Plant A Clematis
How To Prune A Clematis
Plant Long & Prosper!
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