Clematis Jackmanii
Best vibrant climber for reliable garden beauty.
Clematis Jackmanii is a renowned and beloved cultivar, celebrated for its profuse display of vibrant purple flowers. This vigorous vine produces large, 5-inch blooms throughout the summer, making it a stunning addition to any garden. It thrives when grown on a trellis or in combination with other climbing plants, offering a delightful mix of color and form. Originating from England in 1858, Jackmanii remains one of the most popular Clematis varieties worldwide, known for its reliable performance and spectacular floral show.
$40.00
Owner Satisfaction
4.7
/ 5
Category Rank
34
/ 4677
#34 in Landscaping & Garden Plants
Price vs Category Average
+45%
Above average
Hardiness Zones
411
/ -
Who it's for
- Gardeners desiring a long-lasting, vibrant floral display
- New gardeners and those in colder regions
- Homeowners seeking to enhance vertical garden spaces
Who should skip it
- Gardeners without existing climbing structures
- Individuals preferring low-maintenance, no-prune plants
- Gardeners with uniformly sunny or challenging planting sites
Performance breakdown
Bloom Vigor
Produces a reliable and heavy display of large purple flowers annually.
Climatic Adaptability
Extremely versatile range spanning hardiness zones four through eleven.
Growth Rate
Vigorous vine habit quickly covers trellises and vertical garden structures.
Maintenance Ease
Standard pruning requirements make this manageable for novice gardeners.
Companion Potential
Pairs effortlessly with other climbers for layered garden aesthetics.
Visual Impact
Five-inch blooms provide a dramatic focal point throughout the summer.
Key Specs
Hardiness Zones
4-11
Height
10-12 feet
Bloom period
Summer
Flower Size
5 inches
Pruning
3
Features
- Profuse purple flowers all summer
- Large 5-inch flower size
- Vigorous vine growth
- Ideal for trellises
- Combines well with other plants
- Hardy in zones 4-11
What customers say
Customers consistently praise the exceptional quality and robust health of the Clematis Jackmanii upon arrival. Many highlight the vigorous growth and abundant, vibrant blooms achieved quickly after planting, underscoring its reliability. Gardeners appreciate the plant's hardiness and ease of establishment, making it a rewarding addition to various garden settings. The consistent performance and stunning visual impact contribute to a strong sense of satisfaction and excellent value for money. This clematis proves to be a dependable choice for adding dramatic color and vertical interest.
Know before you buy
Because this is a vigorous vine reaching 10 to 12 feet, it needs a sturdy trellis, fence, or arbor to climb. It is best to install your support structure at the time of planting so you don't disturb the roots later.
Pruning Group 3 plants bloom on new growth produced during the current season. You should prune these vines back hard in late winter or early spring, cutting them down to about 12 to 18 inches above the ground to encourage vigorous new stems and better flowering.
While it is primarily a garden plant, you can grow it in a large container if you provide a tall, stable trellis and ensure the pot has excellent drainage. Keep in mind that container-grown plants require more frequent watering and fertilization than those planted directly in the ground.
Clematis Jackmanii is exceptionally hardy and thrives in USDA zones 4 through 11. It is well-suited for a wide range of climates, though in the coldest zones, you may want to mulch the base of the plant in late autumn to protect the root system.
For the best floral display, plant your Clematis in a spot that receives at least six hours of direct sunlight daily. While it can tolerate partial shade, the number of blooms will be significantly higher in a sun-drenched location.
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$40