Buddleja glomerata is a shrub endemic to the mountains of the Karoo

Karoo

The Karoo is a semi-desert region of South Africa. It has two main sub-regions - the Great Karoo in the north and the Little Karoo in the south. The 'High' Karoo is one of the distinct physiographic provinces of the larger South African Platform division.-Great Karoo:The Great Karoo has an area of...

 desert in South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

, where it grows among boulders on dry hillsides. It has a number of common names locally, the most popular being 'Karoo Sagewood'.

Description

B. glomerata typically grows to < 4 m in height, by 3 m breadth. The faintly-scented yellow flowers form small dense globular heads carried in panicles at the end of the branches; the yellow anthers protruding from the corollas. In the UK, the flowers emerge in May, thence sporadically throughout the summer. The leaves are heavily lobed to form undulate margins; silver grey on emergence, they turn bluish-green with age.

Cultivation

The shrub was introduced to commerce in the UK in the late 1990s, where it has proven hardy down to - 7° Celsius grown against a south-facing wall. The species is grown as part of the NCCPG national collection held by Longstock Park

Longstock Park

Longstock Park is a country estate in the civil parish of Longstock in the Test Valley district of Hampshire, England. Formerly Longstock Manor, of medieval origins, it was purchased by Sir Joshua East in the nineteenth century. On his death, the estate passed to his sons Alfred and Arthur. In...

 Nursery, near Stockbridge

Stockbridge

-Places:In the United States* Stockbridge, Georgia* Stockbridge, Massachusetts* Stockbridge, Michigan* Stockbridge Township, Michigan* Stockbridge, New York* Stockbridge, Vermont* Stockbridge, Wisconsin* Stockbridge , WisconsinIn the United Kingdom...

, Hampshire

Hampshire

Hampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...

.