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Pie Plant

Rheum rhabarbarum (REE-um ra-BAR-buh-rum)

Family: Polygonaceae Non-native Herbaceous

Perennial herb; leaves in basal clumps, large, with thick, reddish petiole, and large, heart-shaped, blades; flowers small, in a dense, elongated, terminal cluster; fruit 3-winged, reddish. Found in: Houseplant or interiorscape; landscape in vegetable gardens or as herbaceous ornamental

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 30 attributes.

How it fits the guild

Guild layer 4 - Herbaceous
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Fills a similar niche Citrus x sinensis Dahlia Ficus carica

Full plant profile

Growing Conditions
Plant type
Edible; Perennial; Poisonous
Life cycle
Perennial
Canopy layer
4 - Herbaceous
Form & Appearance
Leaf color
Green; Red/Burgundy
Leaf value
Edible
Leaf size
> 6 inches long, > 6 inches wide
Hairs present
No
Leaf detail
Large green leaves up to 2 feet across. Red petioles which are fleshy and edible when cooked.
Flower color
Green; White
Fruit color
Red/Burgundy
Fruit detail
Angular 3-winged, reddish containing one seed.
Wildlife & Ecology
Native status
Non-native
Origin
Asia
Food & Medicine
Edible parts
Leaves

Edibility

Cooked leaf stalks (petioles) in pies and puree

Landscape Use
Landscape theme
Edible Garden
Garden tags
#red stems #large leaves #problem for dogs #problem for horses #problem for cats #buncombe county sun and shade garden #hortcontest #edible #contact dermatitis
Problems & Resistance
Problems
Problem for Cats; Problem for Dogs; Problem for Horses
Poison severity
Medium
Poison parts
Leaves; Roots
Poison symptoms
TOXIC ONLY IF LARGE QUANTITIES EATEN. Abdominal cramps, burning of mouth and throat, headache, weakness, nausea and vomiting, coma; may be fatal Kidney failure (in grazing animals), salivation in dogs/cats. Most toxic parts are leaves and roots.
Toxic principle
Anthraquinone glycosides and soluble oxalates, also possibly calcium oxylate crystals
Contact dermatitis
No
Toxicity summary
Medium severity poison; parts: Leaves; Roots

Planted at Hunnicutt

Nobody’s planted this one yet.