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Habitat:
Arizona, southwestern
California, State of Sonora (Mexico).
Description: a genus of gigantic columnar cacti that may reach 15
metres (50 ft) in height. Very long-lived, they’re commonly named "saguaro";
the nocturnal flowers appear on 40 to 50 year-old plants and are pollinated
by bats.
Soil: basic mix.
Location: grow in full sun.
Temperature: a minimum of 5°C (41°F) is recommended.
Water: they need to be watered mainly during the spring, sparingly in
the summer and again more in the autumn; always let the soil dry out before
watering.
Cultivation tips:
easy but
slow-growing; it can be propagated by seed or cutting. Apply fertilizer once
every two months. As the plant grows older its appearance changes
dramatically.
Main species: C. gigantea is the only species.
Carnegiea gigantea (fa giovanile)
Carnegiea gigantea (fa giovanile)
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