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Habitat:
deserts of Mexico and United States.
Description: barrel-shaped cacti of variable size with prominent
ribs, tough spines and yellow flowers arranged in a ring near the top.
They’re usually difficult to get to flower.
Soil: basic mix.
Location: grow in full light, better if filtered in the summer, and
plenty of air circulation.
Temperature: they require a minimum temperature of 6°C (43°F), the
more delicate species preferring a minimum of 8 or 10°C (47-50°F)Water: average.
Cultivation tips: slow-growing plants that benefit from the
application of low-concentration fertilizer.
Main species: E. grusonii, it produces flowers after 30 years
or so, once it has reached a diameter of about 30-35 cm.; E.platyacanthus;
E. polycephalus. E. xeranthemoides and E. horizonthalonius are
rather difficult to grow, so it’s advisable to graft them on to Cereus;
soil: 1 part humus and 4 parts sand or pumice; they need to be watered
cautiously and kept dry in the wintertime.
Echinocactus grusonii v.alba Echinocactus platiacanthus
Echinocactus grusonii v.alba
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