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1. Cultivation notes (Category) ... plants); - 5 parts of non-calcareous grit (about the same size as rice grains) that might be improved adding lapillus, pumice or pozzolan (diameter of about 2-4 mm/0.8-1.6 in); avoid dust-like particles ... 2. Sowing (Category) ... a 1-centimetre-thick layer of sand or pozzolan that I have previously sieved twice to eliminate both dust particles (1 mm mesh size) and coarse fragments (4-5 mm mesh size). You may also add a tablespoon ... 3. The greenhouse (Category) ... where the highest temperature is required whereas the lower temperatures of the other compartments can be regulated by opportunely opening and closing the plastic partitions. The front door measures ... 4. The diseases (Category) ... to be prone to this infection, particularly the genera Opuntia, Echinopsis, Gymnocalycium, Cereus. So far researchers have never been able to isolate the pathogen responsible for such malformations. The ... 5. agavaceae-nolinaceae (Phocagallery / agavaceae-nolinaceae) Habitat: tropical and subtropical regions of the Americas, particularly Mexico, the West Indies, Central America, Panama, Venezuela, Colombia, Peru, Bolivia; the Mediterranean. Description: a family ... 6. aizoaceae (Phocagallery / aizoaceae) ... partitions that split open in moist air (hygrochastic). Soil: porous, permeable, neutral to alkaline. Mix 60% of sand with 30% of garden soil and 10% of leaf mould. Location: provide as much light ... 7. asclepiadaceae (Phocagallery / asclepiadaceae) Tribes: PERIPLOCEAE, CYNANCHEAE, MARSDENIEA, CEROPEGIEAE, STAPELIEAE. Habitat: they occur in a wide range of climates, from temperate to subtropical or tropical regions and even deserts; semi-arid regions ... 8. aztekium (Phocagallery / aztekium) Habitat: Northern and central Mexico. Description: a genus of dwarf globular cacti with 8 to 11 ribs, a tap root and green colour. They seldom produce offsets if not grafted. They are highly adapted ... 9. caudiciforms (Phocagallery / caudiciformi) Habitat: Africa, Australia, Socotra, Central and South America, Mexico, Baja California, California, Arizona, Nevada, Colorado, New Mexico, Texas. Description: this is ... 10. cephalocereus (Phocagallery / cephalocereus) Habitat: Central and South America, particularly Brazil. Description: a columnar ribbed cactus with spiny areoles bearing flowers near the top when the plant is mature, usually after several years. It ... 11. copiapoa (Phocagallery / copiapoa) Habitat: Chilean deserts. Description: a genus of globular plants, some of which may develop a cylindrical stem and form clusters with age. The yellow or reddish yellow bell-shaped flower arise from ... 12. crassulaceae (Phocagallery / crassulaceae) ... growth. Temperature: tropical and subtropical species need to be kept at a minimum between 7 and 10°C (45-50°F) particularly when it comes to Madagascar’s species. Water: average, but ... 13. cryptocereus (Phocagallery / cryptocereus) ... Soil: fertile mix. Location: partial shade. Temperature: the minimum temperature should not drop below 7°C (45°F); anyway it’s best overwintered with minimum temperatures between 10 ... 14. didiereaceae (Phocagallery / didiereaceae) Habitat: Madagascar. Description: the family includes spiny shrubs or trees with succulent stems, fleshy small leaves and flowers arranged in inflorescences. Soil: basic mix. Location: choose a bright ... 15. frailea (Phocagallery / frailea) ... still produced by self-pollination (cleistogamy). Soil: clayey, sandy, free-draining soil with small amounts of humus and an acidic pH. Location: grow in partial shade. Full sun is better when the ... 16. hatiora (Phocagallery / hatiora) ... is akin to Rhipsalis. Soil: fertile mix. It may be improved by adding a spoon of sulphur per litre. Location: partial shade. Temperature: ensure a minimum of 8-10°C (46-50°F). Water: average. ... 17. lobivia (Phocagallery / lobivia) Habitat: South America: Bolivia, Peru, Argentina. Description: a genus of small clumping globular plants, naturally growing in mountainous regions. In the summer, large, funnel-shaped flowers are borne ... 18. pedaliaceae (Phocagallery / pedaliaceae) Habitat: warm and temperate regions of tropical and southern Africa. Description: only a few genera in this family of dicotyledonous plants are succulent. Soil: fertile mix. Location: choose a ... 19. rebutia (Phocagallery / rebutia) Habitat: Andean ranges of Bolivia, Argentina and a few other South American mountainous regions; they occur mostly at high elevations (up to 3000 m / 9800 ft) so they’re adapted to great diurnal ... 20. sterculiaceae (Phocagallery / sterculiaceae) Habitat: tropical belts. Description: this family of dicotyledonous plants is comprised of seventy genera or so; the plants have a shrubby or tree-like habit and bear leaves with stipules. The fruit ...
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