Gymnocalycium ragonesei cactus Features
Gymnocalycium ragonesei is a small to medium-sized spherical cactus that usually grows alone, sometimes in small clusters. Here are its main characteristics:
Morphology: Spherical or oblate, up to 15 cm in height and about 12 cm in diameter.
Color: The sphere is green to blue-green.
Ribs and spines: There are 9-13 broad and rounded ribs on the surface, 3-7 central spines and 7-12 radial spines on the areoles, the spines are short and straight or slightly curved, and the color ranges from white to yellow or brown.
Flowers: The flowering period is from late spring to early summer, the flowers are white to light pink, sometimes with a green or red tint at the base, the flowers are large, open during the day and close at night.
Fruit: Berry-like, fleshy, green to red, with black seeds.
Gymnocalycium ragonesei cactus Size：
- Potted in a 10 cm pot
Gymnocalycium ragonesei cactus Special Care or Planting instructions
- Light
Prefers full sun to semi-shade environment, at least 6 hours of direct light per day.
Proper shade is required during the high temperature in summer to avoid sunburn of the sphere.
- Water
The soil needs to be kept moist during the growing season (summer), but make sure the soil is completely dry before watering.
Reduce watering in winter and keep the soil dry to avoid root rot.
- Temperature
The optimum temperature for growth is 10°C-30°C.
It needs to be kept cool and dry in winter, with the temperature between 5°C-10°C to promote dormancy and flowering the following year.
- Soil
Use well-drained soil, a mixture of humus, sand and gravel, or commercial cactus soil with pumice and perlite added.
- Fertilization
Apply low-nitrogen cactus fertilizer once a month during the growing season (spring to summer), diluted to half the recommended concentration.
No fertilization is required in winter.
- Reproduction
It can be propagated by seeds or division. Seeds need to be sown in a warm and humid environment, and division needs to be done in spring.
- Repotting
Repot every 3-4 years in spring to renew the soil and avoid root damage.
- Precautions
Pests and diseases: It may be attacked by scale insects and spider mites, which need to be checked regularly and treated in time.
Toxicity: The plant is basically non-toxic to humans and animals, but some parts may cause mild skin irritation, so be careful to avoid contact.
Environmental adaptation: Gymnocalycium ragonesei is native to the arid mountainous areas of Argentina and adapts to poor, well-drained soils.
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