Buddleja madagascariensis is an evergreen shrub from Madagascar, grown for its fragrant yellow to pink flowers in autumn and winter. It is frost-tender and best suited to subtropical gardens or a greenhouse or conservatory.
Family
Scrophulariaceae (Scrophulari family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water regularly during growth and let the top of the soil dry slightly between waterings.
Soil
Free-draining, fertile loam or a peat-free potting mix with added grit.
Temperature
15–30 °C; intolerant of frost, protect below 5 °C and never let it drop below 0 °C.
How easy
Moderate
Native range
Madagascar
Climate
subtropical
About
Buddleja madagascariensis, the smokebush or Madagascan butterfly bush, is a species of flowering plant in the figwort family Scrophulariaceae. It is a substantial evergreen shrub with fragrant yellow flowers through autumn and winter.
How to grow it
The species was first named and described by Lamarck in 1792, and introduced to cultivation in 1827. It was listed by Masters in his Hortus duroverni Canterbury nursery catalogue of 1831 (as B. heterophylla).
Buddleja madagascariensis is cultivated as an ornamental plant. Intolerant of sub-zero (< 32 °F) temperatures, it can only reliably be grown outdoors in subtropical and tropical climate gardens, such as those of Southern California and Florida in the US, although in temperate coastal regions it can survive on south-facing walls, with added winter frost protection. Elsewhere, it is essentially a conservatory and greenhouse plant. The shrub is grown under glass as part of the NCCPG National Collection of Buddleja held by the Longstock Park Nursery, near Stockbridge, Hampshire, England. Hardiness: RHS H2, USDA zones 9 – 10.
Text excerpted from the Wikipedia article Buddleja madagascariensis 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.