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Buddleja tubiflora

Buddleja tubiflora
Photo: Ptelea, CC BY-SA 3.0

Buddleja tubiflora is a lax shrub from northern Argentina, southern Paraguay and southern Brazil, grown for its striking orange tubular flowers that attract hummingbirds. It needs warmth, good drainage and protection from frost and waterlogging.

Family
Scrophulariaceae (Scrophulari family)
Grows as
Shrub
Light
Full sun, Part shade
Water
Water regularly in growth, but keep the soil from becoming waterlogged, especially over winter.
Soil
Free-draining, fertile loam or a well-drained garden soil.
Temperature
15–30 °C; protect below about 0 °C, as it is hardy only to USDA zones 9–10.
How easy
Moderate
Native range
Paraguay to NE. & NC. Argentina
Climate
subtropical

About

Buddleja tubiflora is endemic to much of northern Argentina, southern Paraguay, and southern Brazil, where it grows at the edge of woodlands, thickets, and in old fields, at low elevations. The species was first named and described by George Bentham in 1846.

How to grow it

Buddleja tubiflora is cultivated in the UK, most if not all specimens derived from a long-lost example grown at the Hanbury Gardens at Mortola Inferiore, Italy. A specimen is grown under glass as part of the NCCPG national collection at Longstock Park Nursery, near Stockbridge. The shrub can be grown on a south-facing wall in coastal areas of the UK, with added protection against frost, although waterlogging overwinter is considered a greater danger to the plant. Hardiness: USDA zones 9–10.

Other Buddleja plants

Buddleja acuminata · Himalayan Butterfly Bush · Buddleja alata · Buddleja albiflora · Fountain butterflybush · Buddleja americana · Buddleja anchoensis · Buddleja araucana · Buddleja aromatica · Dogtail · Weeping Sagewood · Buddleja axillaris

Text excerpted from the Wikipedia article Buddleja tubiflora 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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