Alphabetical Plant Listing

Plant Families / Clematis

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As climbers, Clematis are unsurpassed in their long flowering presence, their rich diversity of flower shapes, their wide array of colors and tolerances in terms of exposure and climate. It is no wonder they are so popular! From tree huggers to container varieties, there is a Clematis for every garden and flowers for almost every month of the year! Members of the Ranunculaceae family, they include more than 300 species and hundreds of hybrids. They create year after year a ravishing colorful show in the garden, whether solely trained on walls, arbors or trellises, or grown in association with other climbers. They are divided into 3 groups which determine how they should be pruned. Regular pruning of Clematis is important as it promotes strong growth and flowering as well as a harmonious plant. If left unpruned, Clematis can turn into a mass of tangled stems with a bare base and flowers well above eye level.

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Clematis Guides


Season of Interest
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Clematis - Atragene Group

The Atragene group of clematis includes early and small-flowering clematis, which are extremely hardy, undemanding and among the easiest to grow.

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Clematis - Early Large-Flowered Group

Their flowers are incredibly large, 6-10 in. across (15-25 cm). Star-shaped, they may be single, semi-double or double and are available in a wide range of colors. They usually bloom in two waves. They bloom in late spring or early summer on the previous year's growth. They often repeat blooming in late summer and early fall on new wood.

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Clematis - Evergreen Group

The earliest Clematis to flower, the Evergreen group includes small-flowering clematis which provide gardeners with some of the greatest pleasures in winter.

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Clematis - Herbaceous Group

The Herbaceous Clematis group contains wonderful herbaceous perennials for the border, which clamber over other plants. They die to the ground at the end of each year, and have no twining petioles to help them climb.

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Clematis - Late Large-Flowered Group

Their flowers are impressively large, 5-8 in. across (13-20 cm). Star-shaped, they may be single, semi-double or double and are available in a wide range of colors. They usually bloom in two waves. They bloom between early and mid summer on new wood. They often repeat flowering in late summer and early fall.

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Clematis - Montana Group

Healthy, sturdy, easy to please, the Montana group of clematis includes the most vigorous deciduous climbers within the clematis family. Their flowers are not as large or flashy as those of the large-flowered Clematis varieties, but they are full of charm, fragrant and so abundant!

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Clematis - Orientalis Group

The small-flowered Orientalis group contains the truly yellow clematis. Their bright yellow flowers are lantern- or star-shaped and often nodding. Each flower produces showy pom-pom like seedheads with silvery silken tails that persist and disperse over the winter and early spring months. 

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Clematis - Viticella Group

The Viticella group of clematis originates from Southern Europe (Italian Clematis) and includes deciduous climbing shrubs regarded as being durable, easy-care, vigorous and free-flowering.

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Clematis 'Abilene' (Early Large-Flowered Clematis)

Captivating, Clematis 'Abilene' is a compact, deciduous climber which gets covered with a profusion of star-shaped, bright pink flowers, up to 5 in. (12 cm), with a deeper pink central stripe. The elegantly ruffled sepals surround a contrasting tuft of frilly butter yellow stamens.

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Clematis 'Abundance' (Viticella Group)

A great choice for the garden, Clematis 'Abundance' is a large, deciduous climber which produces masses of small, semi-nodding, light red to cherry pink flowers, up to 3 in. wide (8 cm), with a creamy boss of pale white to yellow stamens. Each flower bears 4 to 6 sepals, elegantly recurved at their edges and tips.

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Clematis 'Alaina' (Early Large-Flowered Clematis)

Very free-flowering, Clematis 'Alaina' produces masses of plump, pink flowers, up to 6 in. across (15 cm), with pointed to rounded petals. Opening rich rose, the six broad sepals gradually fade to bubblegum pink, but remain adorned by darker midribs. Flowering comes in two waves: first in late spring or early summer, then in late summer and early fall.

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Clematis 'Anna Louise' (Early Large-Flowered Clematis)

Ideal for small spaces, award-winning Clematis 'Anna Louise' produces masses of dramatic, blue-purple open stars, up to 6-8 in. across (15-20 cm), adorned with cerise central bars and cream stamens with cerise anthers. Flowering comes in two waves: first in late spring to early summer, then in late summer and early fall.

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Clematis 'Aotearoa' (Late Large-Flowered Clematis)

Clematis 'Aotearoa' is a very dependable bloomer which produces an abundance of richly colored, open star flowers, 3-5 in. across (8-12 cm), from mid to late summer. The attractive blooms are blessed with 6, rich violet-purple sepals, slightly overlapping, wavy-edged, and elegantly recurved at their tips.

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Clematis 'Apple Blossom' (Evergreen Group)

One of the most popular evergreen clematis, award-winning Clematis 'Apple Blossom' is a very large climber with masses of delightful, almond-scented flowers, 2 in. across (5 cm), and a splendid foliage. Opening from nearly red buds, the single flowers gradually fade from pale pink to white as they mature.

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Clematis 'Arabella' (Integrifolia Group)

The most popular of all the non-vining clematis, award-winning Clematis 'Arabella' is a semi-herbaceous compact perennial with small, open-faced, deep blue-mauve flowers, 3.5 in. across (9 cm). The buttercup blossoms bear 6 strongly ribbed sepals, gradually curling along the edges and a prominent central tuft of stamens with yellow anthers.

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