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Clematis East River

Clematis x diversifolia East River (Zoeastri)
Integrifolia Group Clematis, Diversifolia Clematis, Bush Clematis

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Thanks to Hélène for preparing the order and Violette from the shipping department, the received clematis is in good health. Planted at the base of the "Synactif By Shisheido" rose bush, now I'm waiting for it to take root...

Thierry, 11/05/2022

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This plant carries a 6 months recovery warranty

More information

This rare clematis blooms generously from June to September. Its star-shaped, 8-10 cm diameter flowers, are composed of 6 light violet thin petals, nicely wavy at the edges with a very beautiful crown of light yellow stamens in the centre. They bloom on a semi-climbing, herbaceous plant of modest size, very hardy and easy to cultivate in the ground as well as in pots.
Flower size
8 cm
Height at maturity
1.50 m
Spread at maturity
1 m
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time March to May, September to October
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Flowering time May to September
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Description

The East River Clematis (Zoeastri) is a rare and beautiful variety belonging to the group of diversifolia clematis that are more perennial plants than climbers. Its large, light purple flowers with pink highlights are distinguished by their graceful star-like silhouette with wavy branches. They are well displayed to reveal a very beautiful crown of light yellow stamens. This small climbing plant thrives on old walls, trellises and fences, but also as ground cover at the base of trees. Ideal when combined with a bush, in a container or in the ground. Its flowers last several days when cut.

Clematis belong to the buttercup family. 'East River' is a recent cultivar derived from Clematis diversifolia, a hybrid between Clematis integrifolia and various forms of C. viticella. It is a herbaceous, climbing perennial plant, reaching 1.50 m in height (slightly less in a pot), with a spread of 90 cm to 1 m. It is deciduous and completely dries out each winter, regrowing many stems from its crown in spring. It flowers from May to September.

The East River flowers measure 8 to 10 cm in diameter, appearing on the current year's shoots from May-June to September, either solitary or clustered in cymes. Each flower consists of 6 well-separated tepals, thin at the base, wavy at the edges, surrounding a core of prominent very pale yellow stamens. Feathery seed heads follow the flowers and persist until winter, they are decorative and silvery-grey. The leaves are simple and entire or divided into 3 leaflets, lanceolate to heart-shaped, of a fairly dark green. This clematis climbs on the support or host plant through petioles transformed into tendrils.

This 'East River' clematis can be used as a perennial plant, in a rock garden or a mixed border. Perfect growing in the branches of a shrub with staggered flowering (Compact Lilacs, mock oranges, deutzias...). Ideal for filling up a slightly sad creeping conifer in summer, this lovely plant can also adorn balconies, as it performs well in containers. Cut before full bloom, the flowers last up to 10 days in a vase.

Clematis East River in pictures

Clematis East River (Foliage) Foliage

Plant habit

Height at maturity 1.50 m
Spread at maturity 1 m
Growth rate normal

Flowering

Flower colour mauve
Flowering time May to September
Inflorescence Cyme
Flower size 8 cm
Good for cut flowers Cut flower blooms
Fruit colour grey

Foliage

Foliage persistence Deciduous
Foliage colour dark green

Botanical data

Genus

Clematis

Species

x diversifolia

Cultivar

East River (Zoeastri)

Family

Ranunculaceae

Other common names

Integrifolia Group Clematis, Diversifolia Clematis, Bush Clematis

Origin

Cultivar or hybrid

Product reference165931

Planting and care

Clematis East River enjoys sunny exposures. As it blooms on the current year's branches, its vegetation should be pruned to 20 cm above the ground, above a nice pair of buds, in late winter (March), before the start of vegetation. Plant it in a fertile, humus-rich, and well-drained soil, shading the roots and the base of the stem (with a flat tile for example). Herbaceous species prefer full sun, but these plants like to keep their feet cool. However, they wilt in overly wet soil, so ensure good drainage for them.

Plant your clematis covering the root ball with 3 cm of soil, in soil worked to a depth of 20 cm, lightened with good compost and coarse sand. In the first few weeks, water regularly. Mulch all clematis in February with garden compost or well-rotted manure, avoiding direct contact with the stems. Cover the base of climbing clematis with a small mound of soil, to reduce the risk of wilting, while promoting the growth of vigorous shoots from the crown. After planting, cut back the stems of deciduous clematis to about 20 cm from the base above a nice pair of buds.

Do not overwater in winter, as stagnant water can cause fungus to develop at the collar. Train the stems, without crushing them, until the plant can cling by itself. Clematis also enjoy growing freely on neighbouring plants. Voles and slugs can attack clematis and devour the stems. Aphids and greenhouse whiteflies are also potential pests.

Planting period

Best planting time March, October
Recommended planting time March to May, September to October
Type of support Trellis

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Container, Climbing
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Any
Soil moisture Moist soil, fertile, deep and well-drained

Care

Pruning instructions As this clematis flowers on the current year's branches, its vegetation should be pruned back to 20 cm from the soil, above a nice pair of buds, at the end of winter (March), before the vegetation starts.
Pruning Pruning recommended once a year
Pruning time March
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground
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