Clematis includes a variety of plants, ranging from deciduous and evergreen shrubs to herbaceous perennials. Many of these species are climbers, utilizing twining leaf stalks for support, and they frequently produce prominent flowers. In the fall, certain varieties develop appealing fluffy seed heads.

Clematis 'Green Parrot'

Clematis 'Green Velvet' (Fo/m)

Clematis 'Gräfin Cosel' (LL)

Clematis 'Guernsey Cream' (EL) is classified as a Group 2 variety. This climbing plant features substantial, early-blooming single flowers.

Clematis 'Guernsey Cream' (EL)

Clematis 'Guernsey'

Clematis 'Guiding Star' (EL)

Clematis 'Gunta' (LL)

Clematis 'Gwendolin' (EL)

Clematis 'H.F. Young' is a deciduous vine that flowers in two distinct periods: from late spring to early summer and again from late summer to early autumn. Its blooms are large, star-shaped, measuring 15-18 cm in diameter. Each flower features six sepals that begin as a mauve-blue color and transition to a Wedgwood blue as they mature, complemented by pale yellow stamens.

Clematis 'H.F. Young' (EL)

Clematis 'Hagley Hybrid' is a sturdy, deciduous vine that reaches approximately 2.4 meters in height. It produces an abundance of single, shell-pink blooms measuring 10 to 15 centimeters in diameter, accented by deep-red anthers. This variety blooms from mid-summer through early autumn.

Clematis 'Hagley Hybrid' (LL)

Clematis 'Hainton Ruby' (EL)

Clematis 'Haizawa' (V)

Clematis 'Hakuba'

Clematis 'Hakuree' is a robust, deciduous perennial with oval, dark green foliage. From June to September, it produces nodding, bell-shaped blooms that start as white with a hint of pale purple-blue and gradually turn white as they develop. This variety grows as a scrambler rather than a climber, making it well-suited for the front of mixed borders or for intertwining with neighboring plants.

Clematis 'Hakuree' (LL)

Clematis 'Hakuree' K. Ozawa (I)

Clematis 'Hakuree' ambig.

Clematis 'Hakuōkan' is a deciduous climbing plant that reaches a height of approximately 2.4 meters. It features mid-green foliage and produces predominantly single, large violet-purple blooms, measuring up to 18 centimeters in diameter. These flowers are characterized by prominent creamy-white stamens. The primary flowering period occurs from late spring to early summer, with the possibility of some semi-double flowers emerging during this time, along with additional blooms in late summer.

Clematis 'Hakuōkan' (EL)

Clematis 'Halcyon' (C)

Clematis 'Halina Noll' (EL)

Clematis 'Hana-no-uta' (EL)

Clematis 'Hanabi' (LL)

Clematis 'Hanadayori' (EL)

Clematis 'Hanagoyomi' (EL)

Clematis 'Hanaguruma' (EL) is a deciduous climbing plant that reaches a height of approximately 2.5 meters. It features oval green leaves arranged in sets of three. The plant produces substantial deep pink blooms, measuring up to 14 centimeters in diameter, which appear in late spring and early summer, with the possibility of a smaller resurgence of flowers in late summer.

Clematis 'Hanaguruma' (EL)

Clematis 'Hanajima' (I)

Clematis 'Hanakazari' (EL)

Clematis 'Hania' is a deciduous perennial vine that blooms early in the season. It features lush, dark green foliage and produces sizable purple-red flowers accented by lighter pink edges and creamy-yellow stamens. The flowering period extends from May to September.

Clematis 'Hania' (EL)

Clematis 'Happy Anniversary' is a deciduous vine that can reach heights of approximately 3 meters. It boasts vibrant green leaves and produces blooms in late spring to early summer on stems that developed the previous year, followed by a second round of flowering in late summer on fresh growth. The flowers measure 18-20 cm in diameter, featuring deep purple petals with wavy edges, complemented by cream and dark red stamens.

Clematis 'Happy Anniversary' (EL)

Clematis 'Happy Diana' (T)

Clematis 'Harlequin'

Clematis 'Harmony' (EL/d)

Clematis 'Harrgeoff'PBR

Clematis 'Harrjh'PBR

Clematis 'Haru Ichiban' (EL)

Clematis 'Haru-no-hoshi' (EL)

Clematis 'Haru-no-umi'

Clematis 'Haru-no-yoi'

Clematis 'Haru-no-yume' (EL)

Clematis 'Haruyama' (EL)

Clematis 'Hayate' (EL)

Clematis 'Heather Rushforth' (M)

Clematis 'Heirloom'

Clematis 'Helen Cropper' (EL)

Clematis 'Helios' is a deciduous vine that can reach heights of 1 to 2.2 meters. Its leaves are arranged oppositely and consist of green leaflets attached to twining stems. The plant produces bright yellow flowers that emit a coconut fragrance. These flowers begin as lantern-shaped buds before expanding into flat star-like blossoms. Blooming occurs from summer into autumn, and the plant subsequently develops fluffy, silver seed heads in the fall.

Clematis 'Helios' (Ta)

Clematis 'Helma' (A)

Clematis 'Helsingborg' is a medium-sized deciduous vine featuring slender, serrated leaflets. In mid to late spring, it produces flowers characterized by four elongated, deep violet-blue sepals, each reaching up to 5 cm long, encircling pale purple staminodes and stamens.

Clematis 'Helsingborg' (A)

Clematis 'Hendersonii Rubra' is a robust evergreen climber that can reach heights of approximately 6 meters. It features glossy, dark green leaves with a leathery texture. In early to mid spring, the plant produces clusters of single flowers, each measuring up to 5 centimeters in diameter. These blooms are blush-white on the inside and exhibit a deep pink hue on the outer petals, complemented by cream-colored stamens.

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