Cereus validus ‘Spiralis’
Spiraled Cereus, Twisted Cereus, Contorted Cereus
Cereus forbesii ‘Spiralis’
Cereus validus ‘Spiralis’ is a rare, attractive form of Cereus validus. It is a spiral growing, columnar cactus. Variable in appearance, it bears short spines and flowers profusely during the summer. The white flowers appear in summer. They are followed by ornamental red fruits.
USDA hardiness zones 9a to 11b: from 20 °F (−6.7 °C) to 50 °F (+10 °C).
How to Grow and Care
Like most cacti, Cereus are fairly, low-maintenance and hardy. Make sure they receive enough water without becoming waterlogged, especially during the summer and fertilize them for best results. If the roots have become black or overly soft, the cactus could be experiencing root rot. Cut away the affected parts and replant. Most gardeners interested in cacti should be able to cultivate these without much problem.
It may become necessary to repot your Cereus if it outgrows its container. If so, make sure the soil is dry and then remove the pot. Knock away old soil and prune away any rotted or dead roots, then replace it in a new pot and backfill with new soil. Make sure not to overwater cacti planted in new pots, as this can lead to root rot. It should be left dry for about a week and then watered lightly.
These cacti propagate quite easily from cuttings. Simply sever a branch and replant in moist, well-drained soil… – See more at: How to Grow and Care for Cereus
A few branches from the original plant were imported in Europe around 1980 for a very high price. The original clone was characterized by strong grey stems covered with a dense pruina coating and with short spines (also known as “short spined clone”), but nowadays almost all the plant on the trade are seed grown hybrid specimens derived from cross pollination with (presumably) Cereus peruvianus, they are usually a darker blue-green color with longer spines.
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