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Roscoea humeana

Roscoea humeana
Photo: "John Jearrard", CC0

Roscoea humeana is a hardy perennial tuberous plant in the ginger family, native to mountains of Sichuan and Yunnan in China. It is grown in rock gardens for its early spring-to-summer flowers, and it needs a sunny to lightly shaded spot with moist but well-drained soil.

Family
Zingiberaceae (Ginger family)
Grows as
Perennial
Light
Full sun
Water
Keep the soil moist during the growing season, but let it dry a little between waterings and avoid waterlogging in winter.
Soil
Moisture-retaining but well-drained humus-rich soil, such as a gritty loam.
Temperature
Hardy to around -15 °C when dormant; the shoots emerge late, so they usually escape frost damage.
How easy
Moderate
Native range
China (Sichuan, Yunnan)
Climate
temperate

About

Roscoea humeana is a species of flowering plant in the family Zingiberaceae. It is a perennial occurring in the Sichuan and Yunnan provinces of China. Most members of the ginger family, to which it belongs, are tropical, but R. humeana, like other species of Roscoea, grows in much colder mountainous regions. It is also grown as an ornamental plant in gardens.

How to grow it

Some Roscoea species and cultivars, including R. humeana, are grown in rock gardens. They generally require a relatively sunny position with moisture-retaining but well-drained soil. As they do not appear above ground until late spring or even early summer, they escape frost damage in regions where subzero temperatures occur. R. humeana was described in 1999 as "one of the more popular species" that had been cultivated for many years. When grown at Royal Botanic Gardens, Kew, it flowers in May and June before the leaves have fully expanded. When they have, after flowering, this is one of the largest species of the genus in cultivation. It prefers some shade.

Where it grows

Roscoea humeana occurs in a variety of habitats, such as pine forests, scrub, meadows, grassy and rocky areas, and limestone cliffs, between 2,900 and 3,800 metres in the Sichuan and Yunnan provinces of China.

Other Roscoea plants

Roscoea auriculata · Roscoea cautleoides · Roscoea forrestii · Kakoli Ginger · Roscoea wardii

Text excerpted from the Wikipedia article Roscoea humeana by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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