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This variety was called Notocactus purpureus.
The purple-violet flowers are stunning
Cultivation: They like a warm bright location,
and do great in
partial shade. Avoid full sun.
During winter's rest period they should be dry
and cool. It is best to avoid any frost, but during the winter the
temperature can be as low as 2° C without any harm,
as long as the
compost is very dry. They like only a short winter's rest.
If the soil
is allowed to be dry for too long, root loss could follow but equally the
same result would occur if the plants are both wet and cold. Cold spots
can mar its epidermis in cold damp conditions. They need good drainage and prefer a
neutral to slightly acidic compost
with plenty of extra grit and iron feed help to delay the onset
of basal corking.. Water and feed during the summer.
Best if
watered with rain water and given an occasional tonic of sequestrated
iron. A well grown plant is a fresh glossy grass- green,
contrasting with reddish spines.
Reproduction: Usually by seeds as it seldom produces
offsets.
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