VegetableRhubarb
Chinese Rhubarb
Ornamental Rhubarb
Chinese rhubarb is a strikingly ornamental perennial native to China and Tibet, grown more for its architectural presence than its culinary potential. Unlike common garden rhubarb, this species produces enormous rounded, palmately-lobed leaves and feathery plumes of showy flowers from May through July, reaching 6 to 10 feet tall in zones 5-7. It's a dual-purpose plant, valued equally as a dramatic landscape specimen and as a traditional medicinal herb, thriving in organically rich, evenly moist soils with full sun to partial shade.
Photo © True Leaf Market
Growing Conditions
USDA Zone
5-7
Sunlight
Partial Sun
Water
Moderate
Soil
Deep, Moist, Well-drained, Fertile Loam
Preferred Temp60-80°F
Growth Stats
120 in
Height
72 in
Width
36 in
Spacing
—
Days to Harvest
PeriodPerennial
TypeRosette-forming Herbaceous Plant
Plant Profile
Sunlight
Partial Sun
Water
Moderate
Zones
5-7
Size
120in H x 72in W
Growth
Perennial
Care
Low
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Highlights
Chinese rhubarb commands attention the moment it emerges, unfurling massive architectural leaves that create bold textural contrast in the garden. The dense, feathery flower spikes that rise above the foliage in summer are genuinely showy and add an ethereal quality to the landscape. This species prefers cooler climates and appreciates afternoon shade in hot regions, making it more heat-sensitive than its culinary cousins but well-suited to northern and mountain gardens where it thrives with minimal fuss.
Common Uses
Chinese rhubarb serves primarily as a dramatic ornamental plant, grown for its architectural foliage and striking summer flowers that command attention in garden borders and specimen plantings. Unlike common rhubarb varieties harvested for their edible stalks, this species is valued as a medicinal plant in traditional herbalism, where the rhizome is processed for therapeutic applications.
Growing Timeline
First Bloom
Late Spring
First Harvest
2-3 Years After Planting (Roots)
Last Harvest
Not Applicable (Ornamental)
Care Instructions
Start Indoors
Sow seed indoors in a temperature range of 50-70°F, timing the sowing so seedlings are ready to transplant after the last frost date in your region.
Transplant Outdoors
Transplant seedlings outdoors after hardening off, spacing plants 48-72 inches apart to accommodate their mature width. Plant in enriched, well-draining soil with moderate moisture.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Edible
Bloom Time
May To July
Scientific Classification
Rheum L.
Family
Polygonaceae
Genus
Rheum
Duration
Perennial
History & Origin
“Chinese rhubarb has been cultivated for centuries in its native regions of China and Tibet, where it developed a rich tradition as both an ornamental and medicinal plant long before Western gardeners discovered its landscape potential. The species traveled westward through botanical gardens and collections, eventually reaching cultivation in cooler North American and European climates where its dramatic foliage and flowers could be fully appreciated.”