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A picture of a South African thistle

South African thistle

Berkheya spp.

Full Sun
Moderate watering
Half-hardy

10a

USDA zone

-1°C

Minimum temperature

Expected size

Height
Spread

Max

Min

Flowering

More images of South African thistle

A photo of South African thistle
A photo of South African thistle

South African thistle Overview

Genus of around 80 species of summer-flowering perennials. The vast majority of species in this genus are located in tropical regions of South Africa. They are favoured for their interesting flowers, which can be white, yellow or purple. Some species are cultivated as ornamental plants and others are considered weeds.

How to propagate South African thistle

Division

Propagation is by division in the spring.

Seed

Seeds in the autumn.