Alphabetical Plant Listing

Rheum x hybridum 'Crimson Red' (Rhubarb)

Rhubarb 'Crimson Red', Rheum rhabarbarum 'Crimson Red', Rheum rhabarbarum 'Crimson Cherry', Rheum rhabarbarum 'Crimson wine', Rheum rhabarbarum 'Crimson'


Rheum x hybridum 'Crimson Red' (Rhubarb) is a clump-forming perennial vegetable grown primarily for its edible leaf stalks which are used most often in sauces, jams or pies. The plant develops from a short crown, producing thick, angular stems and enormous, smooth, heart-shaped leaves that retain their green color throughout the season. In summer, bold spikes of white flowers rise above the foliage. 'Crimson Red' produces tall, plump, brightly colored red stalks that are full of flavor. It is reported to be an exceptional variety for the Pacific Northwest.

Although usually relegated to the vegetable garden, the impressive leaves and ruby red stems add to the overall interest of the plant. They can make a bold statement in a sunny flower bed.

  • Grows up to 2-4 ft. high (60-120 cm) and 3 ft. wide (90 cm).
  • Performs best in full sun to part shade in fertile, evenly moist but well-drained soils.
  • Fertilize established plants in the spring after growth starts and again in the summer after harvest.
  • Rhubarb does best in cooler climates, and tends to decline in summers where average temperatures exceed 75ºF (24ºC). However, it can be grown as an annual in warm climates. The plant will be smaller than the perennial ones, but a little rhubarb is better than no rhubarb at all.
  • Although rhubarb can be grown from seed, it is generally propagated by divisions taken in spring, about 4 to 6 weeks before the average date of last frost. Use a spade to divide the crown into sections, each retaining a portion of the rhizome (thickened root) and at least one strong bud. Sections from the outer part are better than the centers of old plants. Replant straight away, 3-4 ft. apart (90-120 cm), or wrap in damp sacking until ready to plant. Make sure the buds are planted about 2 in. below the soil surface (5 cm).
  • Do not harvest stalks until the second year.
  • Remove any flower heads as soon as they appear. Allow the foliage to die back naturally in the fall, then cut away the old leaves to expose the growing points to winter cold.
  • Divide the root crowns every 4-5 years.
  • Keep an eye out for aphids, slugs, snails, honey fungus. Avoid crown rot by dividing clumps before they get too large.
  • The leaves are highly toxic (oxalic acid). They should be removed and discarded before the stalks are used in cooking.

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Requirements

Hardiness 3 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A1, A2, A3
Plant Type Fruit, Perennials
Plant Family Rheum - Rhubarbs
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 2' – 4' (60cm – 120cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" – 48" (90cm – 120cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Rabbit
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Informal and Cottage

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By Vo-Yggdrasill, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 3 – 8
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, A1, A2, A3
Plant Type Fruit, Perennials
Plant Family Rheum - Rhubarbs
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 2' – 4' (60cm – 120cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 36" – 48" (90cm – 120cm)
Water Needs Average
Maintenance Average
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy
Tolerance Rabbit
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Informal and Cottage

Great Plant Combination Ideas with Rheum - Rhubarbs

Guides with Rheum - Rhubarbs

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