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Squarestem butterflybush

Buddleja saligna

Also called False Olive, False Olive Sagewood, Mock Olive, Olive Buddleja, Olive Sagewood, Wild Elder

Squarestem butterflybush
Photo: Paul venter, CC BY-SA 3.0

Buddleja saligna, the false olive, is an evergreen shrub or small tree from South Africa and Zimbabwe, known for honey-scented cream or white flower heads. It grows easily in well-drained soil and tolerates drought well.

Family
Scrophulariaceae (Scrophulari family)
Grows as
Tree
Light
Full sun, Part shade
Water
Water regularly while establishing, then allow the soil to dry between waterings; it is drought tolerant once settled.
Soil
Well-drained soil or a gritty loam-based mix.
Temperature
Hardy to about USDA zone 9; frost resistant, but protect young plants from hard frost.
How easy
Easy
Native range
Zimbabwe to S. Africa
Climate
subtropical

About

Buddleja saligna, the false olive or bastard olive, is native to South Africa and Zimbabwe, where it has a wide distribution. It occurs most often in ravines and against outcrops, and is distributed from coastal elevations to the central plateau at elevations of < 2000 m. The species was first described and named by Willdenow in 1809.

How to grow it

Buddleja saligna is hardy and frost resistant. In the UK, a specimen is grown as part of the NCCPG national collection held by Longstock Park Nursery, near Stockbridge, Hampshire. The shrub grows easily in well-drained soil, and is notably tolerant of drought. Hardiness: USDA zone 9.

Other Buddleja plants

Fountain butterflybush · Dogtail · Buddleja cordata · Butterfly-bush · Buddleja dysophylla · Buddleja fallowiana var. alba · Buddleja fallowiana · Orange-ball-tree · Smokebush · Pole butterflybush · Butterfly Bush

Text excerpted from the Wikipedia article Buddleja saligna 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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