Gymnocalycium damsii 6.5cm
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Συνώνυμα: Gymnocalycium anisitsii subs. damsii (K.Schum.) G.J.Charles
Description: Firstly described as Echinocactus damsii by K.Schum. In 1903, is a very easy to grow and very free-flowering cactus, it may be solitary or freely offsetting. This is a plump species with somewhat rounded ribs. It is generally included within (as a synonym of) Gymnocalycium anisitsii |SN|32748]], suggesting that there is not really a fundamental difference between the two and there remains a considerable confusion surrounding the true identity of this this plant. Flower color is variable, typically white but in Bolivia they are usually more colored, from pale pink to reddish violet. Typically, it has shorter spines less than 12 mm long. In its resting state the plant assumes a characteristic deep brown pigmentation, while new growth emerges as a deep green coloration. It will continue to flower, and it is not unusual (in Europe) for blooms to be open on these during the Christmas period.
Cultivation and Propagation: It is a summer grower species that is easy to cultivate.
Growth rate: It is a relatively rapidly growing and easily flowering species that will make clumps given the best conditions.
Soils: It likes very porous standard cactus mix soil. Prefer a low pH compost, avoid substrata rich in limestone; otherwise growth will stop altogether.
Repotting: This plant needs plenty of space for its roots, repotting should be done every other year or when the it has outgrown its pot. Use pot with good drainage.
Watering: Needs moderate to copious watering in summer, but do not overwater, keep dry in winter at a minimum temperature of 0°C.
Fertilization: Feed with a high potassium fertilizer in summer.
Hardiness: Reputedly resistant to frost if kept on the dry side prior to, and during, cold weather (hardy to -5 C ° C, or less for short periods).
Exposition: The plant tolerates extremely bright situations but enjoys filtered sunlight or afternoon shade, inside it needs bright light, and some direct sun. Tends to bronze in strong light, which encourages flowering and heavy spine production, but is likely to suffer from sun scorch or stunted growth if over exposed to direct sunlight during the hottest part of the day in summer.
Uses: It is an excellent plant for container growing. It always looks good and stays small.