Cultivation:
These plants are summer growers species that offer no
cultivation difficulties. Grow them in rich, airy, porous, growing
medium which mainly consists of non organic material such us clay,
pumice, lava grit, and only a little peat or leaf-mould. If potted,
repot preferably in the spring, if their roots become cramped.
Generally, they should be repotted every other year in order to provide
fresh soil. However, this doesn't necessarily mean they'll need larger
containers. Fill about a quarter of the pot with broken crocks, gravel,
etc. to promote good drainage. After repotting, do not water for a week
or more. Water regularly in summer (but do not overwater), and let their
soil dry out between waterings, keep rather dry in winter. No water
should ever be allowed to stand around the roots. Feed with a high
potassium fertilizer in summer.
Exposure: Outside they need a bright exposure, full sun
or half shade in summer if the location is exceedingly hot or bright,
inside needs bright light, and some direct sun.
It can tolerate moderate shade, and a plant that has been growing
in shade should be slowly hardened off before placing it in full sun as
the plant will be severely scorched if moved too suddenly from shade
into sun.
Frost Tolerance: Light frost protection required for safe
cultivation, but many
of the hybrids very frost resistant if kept dry (The hardiness varies
from -5°C to -12° C depending on clone).
This plants need a period of cool rest in winter to
produce flowers abundantly. They flower freely indoors if conditions
suit them.
Watch for infestations of
mealybug, scale insects and spider mite.
Propagation: Easy to
propagate from cuttings. Most of the Echinopsis clones produce
shoots and can be reproduced exclusively by
cuttings. The cuttings will take root in a minimum temperature
of 20° C. Cuttings of healthy shoots can be taken in the spring and
summer, Cut them with a sharp, sterile knife, leave the cutting in a
warm, dry place for a week or weeks (depending on how thick the cutting
is) until a callus forms over the wound. Once the callus forms, the
cutting may be inserted in a container filled with firmed cactus potting
mix topped with a surface layer of coarse grit. They should be placed in
the coarse grit only; this prevents the cut end from becoming too wet
and allows the roots to penetrate the rich compost underneath. The
cuttings should root in 2 to 6 weeks.
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