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Rosa gigantea is the largest rose species, a huge climbing rose that scrambles 20 m or more into the crowns of other trees using stout hooked thorns. It is grown mainly as a specimen or climbing plant in large spaces, and it needs a sturdy support or host tree to climb.
Rosa gigantea is a species of rose native to northeast India, northern Myanmar and southwest China (Yunnan) in the foothills of the Himalaya at 1000–1500 m altitude. It is sometimes considered to be a variety of Rosa odorata, as R. odorata var. gigantea.
As its name suggests, it is the largest species of rose, climbing 20 m or more into the crowns of other trees by means of its stout, hooked thorns, and with a trunk up to 50 cm diameter. The leaves are semi-evergreen, 15–25 cm long, pinnate, with usually 7 leaflets, each leaflet 4–8 cm long. The flowers are white, creamy or yellow, the largest of any wild rose, 10–14 cm diameter. The hips are yellow or orange, 2.5–3.5 cm diameter, hard, and often lasting through the winter into the following spring, often still present at the same time as the next years' flowers.
Chabertia elegans · Needle Rose · Rosa abrica · Abutalybov's Brier · Abyssinian Rose · Dog Rose · Prickly rose · Rosa adenophylla · Fieldbriar · Rosa alabukensis · White rose of York · Rosa alberti
Text excerpted from the Wikipedia article Rosa gigantea 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.
