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Cleistocactus Strausii

Its slender, erect, grey/green columns can reach a height of 3 metres (10 feet), but are only about 6 centimetres (2.5 inches) across. The columns are formed from around 25 ribs and are densely covered with areoles, supporting four yellow-brown spines up to 4 centimetres (2 inches) long and 20 shorter white radials.

The cactus prefers free draining soils, strong sunlight, but not high temperatures — in fact it can withstand hard frosts down to -10°C. In its natural habitat it receives plenty of water during the summer, but almost none over the winter. In cultivation, watering too much in winter often leads to root rot.

Older cactuses, over 45 centimetres (18 inches) tall, produce deep red, burgundy, flowers in late summer. The 6 centimetres (3 inches) long cylindrical flowers protrude horizontally from the columns. In common with other cacti in the genus Cleistocactus, the flowers hardly open, with only the style and stamens protruding. Cultivated plants often flower freely. In the United Kingdom, this plant is usually grown under glass, and has gained the Royal Horticultural Society's Award of Garden Merit.

See Gallery and Contact Form below photos.

Technical notes

Common name Silver torch/Wooly torch
Latin name Cleistocactus Strausii
Availability Good
Frost tolerance -10°C
Planting location Full Sun
Watering Requirements Medium
Growth Rate Average
Preferred Soil Well Drained
Height when mature 3 Metres


Measurement: Container Diameter
Size Range Price Approximate Quantity Required
25cm 50
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