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.
Partial Sun
Moderate
5-7
120in H x 72in W
Perennial
Low
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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.
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.
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 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.
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“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.”