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Clematis

 

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Clematis venosa violaceaClematis offer showy, colorful blooms in a huge array of colors.  These vines need support for their twining stems.  They are also effectively grown through other shrubs, or allowed to cascade as a groundcover.  The smaller cultivars are perfect in containers.

Most Clematis will bloom well if cut to the ground annually.  However, there are three basic pruning groups for Clematis, and flowering will be extended using these methods.  In simplified terms they are:

GROUP 1:  Early-flowering types bloom on old wood, and do not require any pruning, except as needed after flowering to tidy established plants.

GROUP 2:  Many Group 2 Clematis bloom on old and new wood.  To insure the first flush of flowers, do not prune until after the initial flowering phase.  Then lightly prune to encourage new growth and a second flush of blooms. 

GROUP 3:  Blooms on new wood.  Prune hard in early spring to a pair of buds close to ground level.

 

 

Clematis 'Barbara Harrington'
Barbara Harrington Clematis

Clematis Barbara Harrington

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 6-8
Zone: 4
Pruning Group: 3
Flowers: red-purple
Light Requirement: full sun, part shade

Red to reddish-purple flowers have wavy margins.

4379
 


Clematis 'Bee's Jubilee'
Bee's Jubilee Clematis

sorry, no image available

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone:4
Pruning Group: 2
Flowers: pink
Light Requirements: full sun, part shade

Light pink flowers have carmine bars.

4211

Clematis 'Comtesse De Bouchaud'
Comtesse De Bouchaud Clematis

Clematis Comtesse De Bouchaud

Height: 10'
Climbing Method: Twining Leaf
Bloom Months: 6-9
Zone: 4
Pruning Group: 3
Flowers: pink
Light Requirement: full sun, part shade

Velvety pink flowers have yellow anthers.
4-5" blooms.

4214


 

Clematis 'Elsa Spath'
Elsa Spath Clematis

Clematis Elsa Spath

Height: 8-10'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 3
Flowers: violet-blue
Light Requirement:  full sun, part shade

Vigorous grower.  The violet-blue petals overlap.

4218

Clematis 'Ernest Markham'
Ernest Markham Clematis

Clematis Ernest Markham

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 4
Pruning Group: 3
Flowers:  magenta-red
Light Requirement: full sun

Vigorous grower with large magenta-red flowers
with pale yellow anthers.

4220

 

Clematis 'Etoile Violette'
Etoile Violette Clematis

sorry, no image available

Height: 10-13'
Climbing Method: twining leaf
Bloom Months: 6-9
Zone: 4
Pruning Group: 3
Flowers: dark purple
Light Requirements: full sun, part shade

Velvety, dark purple flowers have creamy
yellow anthers.  Floriferous and long blooming.

4223

Clematis 'Evithree'
Anna Louise
  Clematis

Clematis Anna Louise

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 2
Flowers: violet
Light Requirements: full sun

Large violet flowers with red-purple bars
and dark red anthers.

4243

Clematis 'Evifour'
Royal Velvet Clematis

Clematis Royal Velvet

Height: 8'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 2
Flowers: purple
Light Requirements: full sun, part shade

Rich, velvety-purple flowers have red anthers.

4382


 

Clematis 'Evifive'
Liberation Clematis

Clematis Liberation

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 2
Flowers: red
Light Requirements:  full sun, part shade

Vigorous grower with deep pink flowers
and cerise bars.

4235

Clematis 'Evipo 002'
Rosemoor Clematis

Clematis Rosemoor

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 5-9
Zone: 4
Pruning Group: 2
Flowers: red
Light Requirements: full sun, part shade

Prolific bloomer all season.  Deep red flowers
with yellow anthers.

5958


 

Clematis 'Evipo 031'
Bonanza Clematis

Clematis Bonanza

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 5
Pruning Group: 2
Flowers: mauve-blue
Light Requirements: full sun, part shade

Large, mauve-blue flowers with yellow anthers.

4197

Clematis 'Evipo 033'
Avant Garde Clematis

Clematis Avant Garde

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 4
Pruning Group: 2
Flowers: Double Purple
Light Requirements: full sun, part shade

Red flowers with unusually showy pink petaloid stamens,
which gives the illusion of a double flower.

4247


 

Clematis 'Gypsy Queen'
Gypsy Queen Clematis

Clematis Gypsy Queen

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 4
Pruning Group: 3
Flowers: plum-purple
Light Requirements: full sun

Dark, plum-purple flowers.

4222

Clematis 'Hagley Hybrid'
Hagley Hybrid Clematis

Clematis Hagley Hybrid

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 4
Pruning Group: 3
Flowers: pink
Light Requirements: part shade

Shell-pink flowers have slightly ruffled margins.
Will grow in full sun, but partial shade will provide more
vigorous growth and deeper flower color.

4249


 

Clematis 'Henryi'
Henryi Clematis

Clematis Henryi

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 7-9
Zone: 4
Pruning Group: 2
Flowers: white
Light Requirements: full sun, part shade

A long-time favorite, Henryi has large white flowers
with prominent brown anthers.

4228

Clematis 'Huldine'
Huldine Clematis

Clematis Huldine

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 7-10
Zone: 4
Pruning Group: 3
Flowers: white
Light Requirements: full sun, part shade

Smaller flowers (3") are borne in profusion most
of the season.  Creamy white blooms, with a light
lavender reverse.

4231


 

Clematis 'Jackmanii'
Jackmanii Clematis

Clematis Jackmanii

Height: 10-12'
Climbing Method: Twining Leaf
Bloom Months: 6-7, 8-9
Zone: 4
Pruning Group: 3
Flowers: purple
Light Requirements: full sun, part shade

Widely grown cultivar with velvety, royal
purple flowers.  Vigorous grower.

4230


 

Clematis 'Ken Donson'
Ken Donson Clematis

Clematis Ken Donson

Height: 8-10'
Climbing Method: Twining Leaf
Bloom Months: 6, 8-9
Zone: 4
Pruning Group: 2
Flowers: dark blue
Light Requirements: full sun, part shade

Large, deep blue flowers.

4233

Clematis 'Lanuginosa Candida'
Lanuginosa Candida Clematis

Clematis Lanuginosa Candida

Height: 8-14'
Climbing Method: Twining Leaf
Bloom Months: 6-7, 9
Zone: 4
Pruning Group: 2
Flowers: white
Light Requirements: full sun, part shade

Large white flowers with cream anthers.

4235

Clematis 'Niobe'
Niobe Clematis

Clematis 'Niobe'

Height: 8-10'
Climbing Method: Twining Leaf
Bloom Months: 6, 8-9
Zone: 4
Pruning Group: 2 or 3
Flowers: ruby red
Light Requirements: full sun, part shade

Ruby red flowers have prominent yellow anthers.

4245


 

Clematis 'Pink Champagne' (Syn. Kakio)
Pink Champagne or Kakio Clematis

Clematis Pink Champagne

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 2
Flowers: rose-pink
Light Requirements: full sun, part shade

Rosy-pink flowers have a darker pink edge.

4248


 

Clematis 'Poulala'
Alabast Clematis

sorry, no image available

Height: 10'
Climbing Method: Twining Stems
Bloom Months: 5-6, 8
Zone: 4
Pruning Group: 2
Flowers: creamy green
Light Requirements: full sun, part shade

Large, creamy white flowers may become
tinged with green in cooler weather.

4210

Clematis 'The President'
The President Clematis

Clematis The President

Height: 8-10'
Climbing Method: Twining Leaf
Bloom Months: 5-6, 8-9
Zone: 4
Pruning Group: 2
Flowers: purple-blue
Light Requirements: full sun, part shade

Purple blue flowers have dark red anthers.

4260

Clematis paniculata
Sweet Autumn Clematis

Clematis paniculata - Sweet Autumn Clematis

Height: 10-20'
Climbing Method: Twining Leaf
Bloom Months: 8-9
Zone: 5
Pruning Group: 3
Flowers: white
Light Requirements: full sun, part shade

Beautiful white flowers needing full sun or partial shade.

4246


 

Clematis texensis 'Princess Diana'
Princess Diana Clematis

Clematis tex Princess Diana

Height: 6-8'
Climbing Method: Twining Leaf
Bloom Months: 6-9
Zone: 4
Pruning Group: 3
Flowers: pink
Light Requirements: full sun, part shade

Tulip-shaped, 2" pink blooms face outward
on long stems.  Will bloom prolifically most
of the season when established.

4376