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Description: E. grusonii
mostruosus criastata is a rare nice form covered by white
wool with short yellow
spines. The crests are quite unstable, hence the rarity of this plant
in cultivation.
Cultivation:
Frost tender but
cold hardiness increases with improved
drainage, so keep plants as dry as possible in
winter. Provide the plant with extremely
well-drained soils, as plants are subject to
crown and
soft rot if they remain too moist. They grow
best in
full sun or half shade, which will help maintain the lustre of
the spines and plants compact. They are
prone to
mealy bug and
red spider mite.
Propagation: From
cuttings (but it is difficult to grow this
plant on its
own roots), or preferably by
grafting.
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