Rheum consists of sturdy herbaceous perennials that grow from rhizomes. These plants feature sizable, either simple or palmately lobed foliage, along with tall stems adorned with large clusters of small flowers.

Rheum australe 'Pink Marble' (v)

Rheum collinianum

Rheum compactum

Rheum cordatum

Rheum crassinervium

Rheum delavayi

Rheum fedtschenkoanum

Rheum fedtschenkoi

Rheum forrestii

Rheum franzenbachii

Rheum from Charman

Rheum from India

Rheum from Nepal

Rheum from Sikkim

Rheum glabricaule

Rheum henryi

Rheum kialense is a perennial herb that forms clumps and typically reaches a height of approximately 25 cm. This plant is cultivated for its ornamental qualities, featuring small, heart-shaped leaves that are deeply veined and dark green in color. From May to June, it produces small flowers that are maroon-red and white.

Rheum kialense

Rheum macrocarpum

Rheum maximowitchii

Rheum maximum

Rheum moorcroftianum

Rheum nobile

Rheum officinale

Rheum palaestinum

This perennial plant forms robust clumps and features large, lobed leaves that can reach lengths of 75 cm. In early summer, it produces panicles of pink or creamy-white flowers that emerge on stems extending up to 2 meters. As an ornamental rhubarb, it serves as a bold architectural element in the landscape and requires ample space to thrive.

Rheum palmatum

Rheum palmatum 'Atropurpureum Dissectum'

Rheum palmatum 'Atrosanguineum' is a hardy herbaceous perennial characterized by its wide, palm-shaped leaves that emerge in a deep purple hue, transitioning to a dark green with purplish undersides as they mature. The plant produces clusters of bright pink flowers that rise prominently in large, upright panicles.

Rheum palmatum 'Atrosanguineum'

Rheum palmatum 'Atrosanguineum' Ravenscroft form

Rheum palmatum 'Bowles's Crimson' is a decorative rhubarb variety known for its vibrant red leaves in early spring. As summer progresses, the foliage features deep red undersides with green tops, often transitioning back to red hues in the fall. This plant produces crimson flowers that rise above the foliage in early summer, achieving heights of up to 2 meters.

Rheum palmatum 'Bowles's Crimson'

Rheum palmatum 'Da Huang'

Rheum palmatum 'Ferguson's Red'

Rheum palmatum 'Hadspen Crimson' is a decorative variety of rhubarb known for its young crimson leaves, which transition to green as they mature. The leaves are large, palmate, and deeply lobed. In early summer, this plant produces flower spikes that can grow up to 2 meters tall.

Rheum palmatum 'Hadspen Crimson'

Rheum palmatum 'Red Herald mxd'

Rheum palmatum 'Red Herald' is a robust perennial that can reach heights of 2.5 meters. It features substantial basal leaves that can measure up to 90 centimeters in width, appearing in late spring. The foliage is broad, lobed, and coarsely serrated, showcasing a vibrant red hue when young, transitioning to a deep green as it matures, with dark red undersides and thick, reddish stems. During the summer months, it produces tall, branching flower stalks that support upright clusters of small, densely arranged red flowers.

Rheum palmatum 'Red Herald'

Rheum palmatum 'Rubrum' is a clump-forming perennial characterized by its vibrant red young leaves, which mature into substantial, lobed foliage reaching lengths of up to 75 cm. In early summer, this variety produces tall panicles of deep red flowers that emerge on stems extending up to 2 meters. As an ornamental rhubarb, it serves as a bold architectural element in the garden, requiring ample room to thrive.

Rheum palmatum 'Rubrum'

Rheum palmatum 'Savill'

Rheum palmatum C89

Rheum palmatum subsp. tanguticum 'Turkish Red'

Rheum palmatum var. palmatum

Rheum palmatum var. tanguticum is a robust perennial that can reach heights of up to 2 meters. It features substantial basal leaves that sprout in late spring, characterized by their jagged edges and deeply lobed structure. Initially, the leaves display a dark reddish-purple hue, transitioning to a deep green with red undersides as they mature. The plant produces long, sturdy reddish stems that support tall, branching flower spikes in the summer, adorned with compact clusters of small flowers that may be white, pink, or deep red.

Rheum palmatum var. tanguticum

Rheum palmatum var. tanguticum 'Rosa Auslese'

Rheum pumilum

Rheum reticulatum

Rheum rhabarbarum is a sizable herbaceous perennial that survives winter as a compact crown. In the spring, it emerges with dark green leaves that are triangular to heart-shaped, featuring prominently wavy margins. These leaves grow on robust, hollow, reddish stems. By mid-summer, the plant produces dense clusters of small, yellowish-white to greenish-white flowers that rise above the foliage on erect stems, maturing into flat, tan seeds. This species may have contributed to the development of hybrid varieties commonly used for culinary purposes.

Rheum rhabarbarum

Rheum rhaponticum is a robust herbaceous perennial that survives winter as a compact crown. In the spring, it unfurls broad, triangular to heart-shaped leaves that can reach lengths of up to 50 cm, supported by sturdy, slightly ridged stems with a reddish-green hue. By mid-summer, the plant produces dense clusters of small, greenish-yellow flowers that rise above the foliage on upright stems, eventually giving way to reddish-green seeds. This species is thought to have contributed to the breeding of hybrids commonly cultivated for culinary purposes as rhubarb.

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