Kilauea hau kuahiwi is a small, rare tree from the Big Island of Hawaii, growing in wet forest on Mauna Loa. It is very rare in the wild and is not commonly grown, so care guidance is mostly general for mesic tropical trees.
Family
Malvaceae (Mallow family)
Grows as
Tree, Shrub
Light
Part shade, Bright indirect
Water
Water regularly while young, then let the top few centimetres of soil dry slightly between waterings.
Soil
Well-draining, humus-rich potting or garden mix.
Temperature
18–30 °C; protect below 10 °C
How easy
Hard
Native range
Hawaiian Is. (Hawaii: E. Mauna Loa)
Climate
wet tropical
About
Hibiscadelphus giffardianus (Kilauea hau kuahiwi) is a species of flowering plant in the mallow family Malvaceae that is endemic to the Big Island of Hawaii.
Where it grows
It inhabits mixed mesic forests on the slopes of Mauna Loa at elevations of 1,200–1,310 m (3,940–4,300 ft). Associated plants include ʻōhiʻa lehua (Metrosideros polymorpha), koa (Acacia koa), mānele (Sapindus saponaria), hoio (Diplazium sandwicianum), pilo (Coprosma spp.), māmaki (Pipturus albidus), kōpiko (Psychotria spp.), olopua (Nestegis sandwicensis), alani (Melicope spp.), ʻaʻaliʻi (Dodonaea viscosa), and naio (Myoporum sandwicense).
Text excerpted from the Wikipedia article Hibiscadelphus giffardianus 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.