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Clematis jackmanii [ Klem’-a - tis , jak - MAN - electrical engineering - middle ] is a cultivar of the Clematis genus and part of the buttercup family Ranunculaceae .
The vine was first enter in 1862 as a modernistic large - flowered hybridclematis plantto grow in the garden .
Photo Credit: Instagram @ogdenellen
This clematis vine ( Clematis x jackmanii ) is get it on for its deep purple flowers , which put on a beautiful display in the summer .
This intercrossed clematis vine , has the parents ofC. lanuginoseandC. viticella .
coarse name for the Clematis include :
These names arrive from the breeder ’s name , George Jackman .
Clematis Jackmanii Care
Size & Growth
When grown in the correct hardiness zones and all growing conditions are met , the plant grow at a pretty fast growing rate .
It can farm upward of 7 ’ feet when growing on a treillage or spread as basis screening with a 3 ’ – 6 ’ understructure spread .
Related : How To Grow Clematis Vines In Containers or Pots
Jackmanii Flowers, Bloom Time and Fragrance
This bloomer create reddish blue to deep - purple flowers . The bloom time for Clematis - jackmanii is typically during the late summer in July .
Most of these plants have large 2-dimensional or Melville Bell - shaped flowers .
The prime are typically 4 - petaled but some varieties will have 5 or 6 .
When concord open , each flower measure somewhere around 3 ” – 4 ” inches across .
The prime start at a benighted violet color but slicing to a vivid reddish blue over time , which contrasts attractively with the creamy - light-green anthers in the middle .
Based on the pruning mathematical group this flowering vine belongs to , the flowers grow otherwise on each variety .
In some clematis vine , the flowers grow on old Natalie Wood only , while some bloom on only raw Sir Henry Joseph Wood .
Then there are some clematis sort with unfolding on both honest-to-goodness and new growth .
GROWER TIP : All clematis blooming better where the vines reach full sun , but they like shade at their root infrastructure .
Light & Temperature
The plants in this cultivar are unfearing to USDA Zones 4 through 8 .
Clematis vine love to bask in full sun but also thrive in fond sun .
When the afternoon sun gets too hot or humid , part ghost is good .
This is why the ideal regions for spring up clematis incudes the Midwest , Southeast , Northeast , and Pacific North West .
Water and Feeding
Jackmanii plants prefer moist soil . The root system prosper with recondite watering , specially when the weather condition is too hot .
In the rainy time of year , increase the opening between watering to prevent ancestor rot .
In addition to lacrimation , duncical root mulch will be helpful in keep the soil moist .
Feed clematis during the grow season which lasts from April until previous August ( early crepuscle ) with a worldwide - purpose plant food in 10 - 10 - 10 NPK proportion .
Soil & Transplanting
Clematis works choose neutral or slightly alkalic type dirt .
It should be able to retain a medium floor of moisture with proficient drainage and high-pitched fertility .
They do not suffer wretched , the Great Compromiser or sand - similar soils .
The roots of mostClematisspecies do n’t really do well once they have been uproot .
transplant is best avoided and only should be done if the vine is n’t growing well in its current location .
If you are transplanting , be very careful and very patient . Give the vine and root some surplus love for the next year so it can recover from the tension of being moved .
Grooming and Maintenance
What type of clematis is the Jackmanii vine ? Jackman falls into Group 2 produce flower on honest-to-goodness Natalie Wood and new wood .
Prune plant back about at least one - third of sometime ontogeny in later winter or early natural spring before new ontogeny emerge .
How to Propagate Jackman Clematis
The plant is disperse most successfully with cuttings .
deal and semi - hardwood cuttings in early leaping , former summertime , late summer or fall .
If you need to start the plant from seeds , sow them in vented containers in a cold underframe .
Once the last hoar has pass and the seedlings are magnanimous enough to be run , move the plants out .
Jackman Clematis Pest or Diseases
There are no serious pest and disease job plaguing the Clematis cultivar besides clematis wilt .
This wilt is fatal to the flora and requires immediate action to remedy .
Common pests and diseases such aspowdery mildew , leaf topographic point , scale , vine weevils , aphids , spider mites , andearwigsmay be episodic visitant .
Toxicity
All parting of the Clematis jackmanii cultivar are poisonous to animals including kat , dogs , and horses .
It can irritate the skin and eyes upon direct contact .
Be careful when establish jackman Clematis with kids and animals around .
Clematis Jackmanii Uses
take this plant type to rise a wall , trellis , fence , arbor , lamppost , and arbors along with other modest structures .
They combine well with other mounter such as climb roses .
The plant work great for small garden .
The Clematis vine is often grow at basis level to organise a ground cover . They also looked great sprawled across other bush and stumps .
