When is the best time to harvest rhubarb?
Harvest rhubarb stalks when they are between 20-30 cm long and firm, typically from spring to early summer. Avoid harvesting too much in the first year to allow the plant to establish.
Rhubarb (Rheum × hybridum) is a hardy perennial vegetable grown for its tart, edible leaf stalks, prized for pies, jams, and sauces.
Above information is sourced from Wikipedia
Sunlight
Full Sun to Partial Shade
Watering
Consistent Moisture
Soil
Deep, fertile, well-drained loam
Temperature
Cool to Moderate
Habitat
Outdoor
Fertilizer
Moderate
Full Sun to Partial Shade
Prefers at least six hours of direct sunlight daily for best growth and yield.
Consistent Moisture
Keep soil evenly moist, especially during dry periods.
Deep, fertile, well-drained loam
Cool to Moderate
Prefers cooler climates and requires a period of winter chill for dormancy and best spring growth.
Outdoor
Moderate
Benefits from annual feeding with compost or organic fertilizer in spring.
Plant Category
Vegetable
Plant Place Type
Garden, Pot
Plant Environment
Outdoor
Lifespan
Perennial
Plant Height
0.6-2.0 m
Spread
0.6-1.5 m
Growth Rate
Moderate
Dormancy
Yes
Leaf Color
Green
Leaf Type
Lobed
Flower Size
1-5 cm
Optimal Sunlight Lux
60000
Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Toxic for humans
Yes
Rating: 5/5
Toxic for pets
Yes
Rating: 5/5
Edible
Yes
Leaves and roots are toxic due to high oxalic acid content.