A regal purple flower, Jackman Clematis – Erakina


Jackman Clematis was introduced in 1862. It was the first flower to be formed by hybridization of modern-large flower Clematis. For the formation of this beautiful purple flower, two different species of clematis (C.lanuginosa and C.viticella) were cross-hybridized. The Jackmanii is said to be one of the most generous bloomers and strongest growers.

The deep velvet purple is centered with pale citron-yellow stamens. The ideal place or regions for growing clematis are the Midwest, Southeast, Northeast, and Pacific North West. Some clematis species flowers grow on old wood only, while some bloom on only new wood. The fruit of this plant is not ornamentally significant. Its life span is approx 15-20 years.


Scientific classification

  Kingdom: Plantae 
Family: Ranunculaceae
Subfamily: Ranunculoideae
Genus: Clematis
Species: C.Jackmanii

Description of Jackman clematis

Jackman clematis is grown in the right hardiness zone by giving a proper condition requirement. It has a fast growth rate. It can grow upwards to 7 feet if grown on a trellis and can spread 3-6 feet at ground level. This beautiful bloomer produces flowers of violet- deep purple colour. These flowers mainly bloom during the late summer in July.

The flowers of the Jackman clematis are bell-shaped and large flat. Each flower of this species has four petals and the measurement is across 3- 4 inches. When the flower blooms it first takes dark purple colour and after some days it fades to vivid violet. It has a beautiful creamy-greenish anther in the centre.


How to grow Jackman clematis?

To grow jackman clematis the following things needed are:

  • Sunlight – Every day six hours of sunlight is required to grow a healthy and blooming flower.
  • Water – When the weather is hot and humid, it needs a surplus of water. In the rainy season try to increase the gap of pouring water because excess water can rot the roots.
  • Soil – The soil should be fertile, meaning not too dry or boggy, It should be moist and be able to retain a medium level of moisture with good drainage and high fertility. Jackman Clematis plants prefer those types of soil which are neutral or slightly alkaline. They do not bear poor, clay or sand-like soils.
  • Fertilizer – Regular fertilization should be done every six weeks during the growth of the flower. Humus is a must. There should be mulch or plant cover. Apply a slow- release of fertilizer to provide the required nutrients to the jackman clematis.
  • Jackman Clematis should be pruned to about 12” above the ground level.

Uses of Jackman Clematis

  • These flowers enhance the beauty of the garden.
  • Jackman clematis is grown at ground level that can act as ground cover.
  • Clematis are placed in the lamppost, fence, arbours, or any structural wall.
  • It can be paired with other climbers like climbing roses.
  • It is also best suited to grow in outdoor pots, tins, or containers.


Diseases of Jackman clematis

Besides clematis wilt, no other pest or disease seriously affects the clematis cultivars. The wilts can create difficulty in keeping the flower fresh and blooming, so remedies should be first before protecting the flower.

Some common pests and diseases are scale, vine weevils, aphids, spider mites, leaf spots, and earwigs.


The royal purple Jackman clematis is a beautiful and outstanding hybrid flower and the best growing of all the clematis varieties. It is the easiest and most popular clematis vine to grow and plant. To beautify your garden, trellis, or walls, it could be a good choice.

Tags: flowers

Leave a Reply

Your email address will not be published. Required fields are marked *