Rheum rhaponticum

Rhubarb

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Hardy herbaceous perennial from Polygonaceae family. Features large green leaves with red veins and edible crimson stalks. Leaves contain oxalic acid.
yard Kitchen garden plants wb_sunny Half-shade / Sun pets Not pet-safe
info

Plant Details

Common Name Rhubarb
Family Polygonaceae
Genus Rheum
Species Rhaponticum
Origin Central Asia
Blooming Ornamental flower spikes in summer, foliage focus otherwise
Leaf Color Dark green with red veins
Sunlight Half-shade / Sun
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Rich, loamy soil with high organic matter and good drainage

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Watering

Keep soil consistently moist during active growth; allow drying in dormancy

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Sunlight & Care

Full sun to partial shade; requires cool root zone

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Fertilization

Apply compost annually in spring. Feed monthly during growing season

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Pruning

Remove flower stalks immediately after blooming to prevent energy drain

Pest Control Aphid Leaf Miner Slug Snail

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
agriculture Harvesting Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
100 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
30% – 70%
% volumetric
Water content in the growing medium
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Soil EC
200 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Rheum rhaponticum? Select a symptom to diagnose and fix the issue.

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