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Care of the plant Gymnocalycium damsii o Gymnocalycium anisitsii.

Care of the plant Gymnocalycium damsii o Gymnocalycium anisitsii

The genus Gymnocalycium, family Cactaceae, includes more than 60 species of cacti native to South America. Some species are: Gymnocalycium damsii, Gymnocalycium saglionisGymnocalycium baldianumGymnocalycium mostii, Gymnocalycium denudatum, Gymnocalycium mihanovichii, Gymnocalycium andreae, Gymnocalycium pflanzii, Gymnocalycium platense.

Scientific synonym: Gymnocalycium anisitsii. This species is native to Bolivia, Paraguay and Brazil.

They are cacti with a spherical body, slightly flattened at the apex, pale green or brownish green with clear horizontal lines that reach 10 cm in height; produce lateral suckers. They have up to 10 sharp ribs with bumps. They have 5-8 short straight or slightly curved radial spines. The flowers appear at the apex of the plant, are funnel-shaped and white or pink. They can bloom throughout the year.

They are used in rockeries and in pots as greenhouse plants, indoor plants and on balconies, terraces and windows.

The Gymnocalycium damsii prefers semi-shade exposure, avoiding direct sunlight in the middle of the day. They appreciate several hours of direct sun in the early morning or late afternoon. They resist occasional frosts down to -5 ºC if the substrate is dry.

The soil can be a commercial cacti substrate with 15% coarse sand. They do not tolerate calcareous soils. Transplanting is done in early spring.

Always water moderately, waiting for the substrate to dry completely. Do not water in winter.

Fertilize once a month in summer with mineral fertilizer for cacti.

They do not need pruning.

They can be attacked by fungi if there is excess watering and by red spiders and mealybugs if the ventilation is not adequate.

They are propagated by sucker separation and from seeds sown in late winter.

 

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Gymnocalycium damsii