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Buds begin to emerge on R. palmatum v. tanguticum.
R. palmatum v. tanguticum growth habit.
R. palmatum 'Atrosanguineum' flower.
R. palmatum 'Atrosanguineum' flower stalks.
R. palmatum 'Atrosanguineum' growth habit.
R. palmatum 'Atrosanguineum' fruit.
R. palmatum 'Red Selection' growth habit.
R. palmatum 'Red Selection' flower.
| Rhubarb, Chinese Rhubarb Rheum palmatum Polygonaceae Leaves grow basally, and are two to three feet long, deeply palmately lobed. Tiny white, pink, or reddish flowers have a six-part calyx, no petals, and bloom in panicles on tall, branched stems. Fruits are three-sided, white, pink, or rust-colored, quite longlasting, and are perhaps more interesting than the flowers. Plant Type: perennial Plant Form or Habit: upright/vertical Plant Use: As a specimen plant, in the border, as an accent plant.
Width: Minimum: 48 inches Maximum: 120 inches Foliage Texture: coarse USDA Hardiness Zone: 5 Water Requirements: average Additional Comments: An ornamental relative of the more familiar, edible rhubarb, R. rhabarbarum. Requires deeply dug, fertile soil. Annual fertilizer applications are recommended.
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