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Tufted Lobelia

Lobelia rhombifolia

Tufted Lobelia
Photo: Melburnian, CC BY 3.0

Tufted lobelia (Lobelia rhombifolia) is a small annual wildflower from southern Australia, growing 5 to 30 cm tall with purple flowers that have a white throat. It is a native plant suited to dry, open ground in its home range and is rarely grown elsewhere.

Family
Campanulaceae (Campanul family)
Grows as
Annual
Light
Full sun
Water
Water lightly while establishing, then rely mostly on rainfall; avoid waterlogging.
Soil
Well-drained, light or sandy soil.
Temperature
10–30 °C; tolerates mild winters, frost-sensitive when young.
How easy
Moderate
Native range
S. Australia
Climate
subtropical

About

Lobelia rhombifolia, commonly known as tufted lobelia, is an annual plant from southern Australia. They range from 5 to 30 cm in height and produce purple flowers, with a white throat and two recurved upper lobes. The flowers appear at different times across their native range:

September to December in Western Australia

Other Lobelia plants

Aberdare Lobelia · Lobelia alsinoides · Southern lobelia · Apache lobelia · Trailing Lobelia · Lawn Lobelia · Pale lobelia · Lobelia archeri · Lobelia arnhemiaca · Boykin's lobelia · Shortleaf lobelia · Tall Lobelia

Text excerpted from the Wikipedia article Lobelia rhombifolia 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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