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Rhubarb

SpeciesRheum rhabarbarum

Also called garden rhubarb

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Rhubarb
Photo: Dieter Weber ( User:Uellue ) · CC BY-SA 3.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
Typeperennial

“Rhubarb is a perennial plant that grows well in cool climates” — What Is Rhubarb: How to Cook & What Does It Taste Like?

Days to maturity56–70 days

“After a plant’s third year, the harvest period (rhubarb season!) runs 8 to 10 weeks long, lasting through mid-summer.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Germination temperature50 °F

“soil temperature should be 50°F minimum.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

LightFull Sun, Partial Sun

“Rhubarb grows best in full sun but will tolerate partial shade.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

WaterModerate, Sufficient moisture

“Rhubarb needs sufficient moisture, especially during the hot, dry summer days.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Hardiness zones3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b

“USDA Zones 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Spacing24–48 in

“Space rhubarb plants about 2 to 4 feet apart” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Propagationseed

“Rhubarb can be grown from seed, but this is not recommended.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Ready when12 to 18 inches long and at least 3/4-inch in diameter

“Harvest stalks when they are 12 to 18 inches long and at least 3/4-inch in diameter.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Edible partsstalks

“ruby or green stems used to make pies, crumbles, cakes, jams, and sauces.” — Rhubarb: Planting, Growing, and Harvesting Rhubarb Plants | The Old Farmer's Almanac

Who grows this

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