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Rhubarb

Rheum rhabarbarum, Polygonaceae

Zones
2a–8b
Layer
Herbaceous
Lifespan
Perennial
Growth
Moderate

Guild Roles

Producer

Growing Conditions

Sun

Full Sun (optimal)

Water

ModerateModerate

Soil pH

6 – 7

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

Western Red CedarThuja plicata
Wind Protection
Siberian Pea ShrubCaragana arborescens
Nitrogen FixationWind Protection
Golden RaspberryRubus idaeus var. aureus
Pest DeterrentNutrient Accumulation

Antagonistic Plants

Highbush BlueberryVaccinium corymbosum

Rhubarb contains oxalic acid and other compounds that may be inhibitory to blueberry root development

Northern BayberryMyrica pensylvanica

Bayberry's waxy compounds may inhibit rhubarb growth in close proximity

Uses

Functions

Food

Edible Parts

Leaves

Common Questions

What zones does Rhubarb grow in?

Rhubarb grows in USDA hardiness zones 2a through 8b.

What are good companion plants for Rhubarb?

Good companions for Rhubarb include Western Red Cedar, Siberian Pea Shrub, Golden Raspberry.

Design guilds with Rhubarb and see companion relationships visually.

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