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The Rogerson Clematis Garden is a botanical garden located at Luscher Farm Park near Lake Oswego, Oregon. The garden is roughly 1-acre (0.40 ha) in size and is home to the Rogerson Clematis Collection, a Nationally Accredited Plant Collection consisting of more than 2,000 individual clematis plants.
Over 70 species and cultivars of clematis currently (2016) [1] possess the Royal Horticultural Society's Award of Garden Merit, reflecting this plant's continued popularity in gardens in the United Kingdom. Clematis is a genus of woody based perennials, mostly climbers with a twining habit, though some are grown as groundcover or as herbaceous ...
Clematis is a genus of about 380 species [2] [3] within the buttercup family, Ranunculaceae. [4] Their garden hybrids and cultivars have been popular among gardeners, [5] beginning with Clematis 'Jackmanii', a garden staple since 1862; more cultivars are being produced constantly.
Clematis vitalba is a climbing shrub with branched, grooved stems, deciduous leaves, and scented greeny-white flowers with fluffy underlying sepals.The many fruits formed in each inflorescence have long silky appendages which, seen together, give the characteristic appearance of old man's beard.
Clematis aristata is a popular hardy garden plant. It prefers a semi-shaded or shaded position and cool deep soils and will withstand heavy pruning. [5] It is a vigorous climber and may become a problem by smothering other plants. Propagation can be carried out from fresh seed and from cuttings of semi-hardened stems. [5]
Clematis occidentalis has compound leaves with three leaflets. Its leaflets measure between 1.5 to 3.5 inches in length and up to 2 inches in width, featuring either a toothless edge or a few shallow teeth. The leaflets have sharply pointed tips and are attached to a hairy stalk.
Clematis ligusticifolia is a climbing, spreading vine with showy flowers. It is also known as old-man's beard , yerba de chiva , and virgin's bower , (though old-man's beard may also refer to C. vitalba , and virgin's bower may also refer to C. lasiantha ).
Clematis recta, the erect climaxis or ground virgins, is a species of Clematis unusual in that it is a free-standing shrub rather than a climbing plant. Growing usually on the margins of woodland areas, it is native to Eastern, Southern and Mid Europe .