Senna multiglandulosa is a shrub native to Mexico, Central America and western South America, widely grown as an ornamental and naturalised in parts of Australia and New Zealand. It thrives in full sun and well-drained soil in warm conditions and is cut back after flowering to keep it compact.
Family
Fabaceae (Pea & bean family)
Grows as
Shrub
Light
Full sun
Water
Water regularly while establishing, then allow the soil to dry between waterings; tolerates dry spells once mature.
Soil
Well-drained soil or loam; tolerates poor soil.
Temperature
18–30 °C; protect below 5 °C
How easy
Easy
Native range
Mexico, W. South America
Climate
seasonally dry tropical
About
Senna multiglandulosa, commonly known as glandular senna, downy senna, or buttercup bush is a species of flowering plant in the family Fabaceae and is native to Mexico, Guatemala, and western parts of South America. It is a shrub with pinnate leaves, usually with six to eight pairs of linear to lance-shaped leaflets, and yellow flowers arranged in groups of ten to twenty, with seven fertile stamens in each flower. It is widely cultivated as an ornamental plant and in some areas of the world has become naturalized.
Where it grows
Senna multiglandulosa is native to Central and South America, but has been introduced to Australia, New Zealand and New Caledonia. It is sparingly naturalised in south-eastern South Australia, south-western Victoria and near the eastern part of border between Victoria and New South Wales.
Text excerpted from the Wikipedia article Senna multiglandulosa 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.