Gymnocalycium grow and care – cactus of the genus Gymnocalycium, also known as Chin cactus, Gymnocalycium perennial evergreen used as ornamental plant, can grow in mediterranean, desert, subtropics, temperate or tropics climate and growing in hardiness zone 9-11.
Stem color green but some cultivars can be variegated and colorful: red, purple, yellow, orange, pink or more than one color, the stem round
Flower color can be: pink, white, red, purple or yellow, the flower multi-petals in trumpet shape.
Well-drained soil, grow better in temperature above 10°C+, loose soil and well ventilated
How to care: Let it dry between watering
What is the best way to start growing? Plant / Seeds / Vegetative reproduction
Is it necessary to graft or use vegetative reproduction? Yes (for the colored plants need to graft on regular cactus)
Difficulties or problems when growing: Thorns
Planting season: Spring to summer in hardiness zone 10a, spring to autumn in hardiness zone 10b-11, possible all the year in hardiness zone 12
How to plant: Plant in well-drained soil when there is problem with a lot of rains need to to grow the plant with raising bad
Pests and diseases: Snails, slugs
Pruning season: All year
How to prune: No special requirements
Size of the plant: 1-15 cm (1-6 inches), in moon cactus if the base of the graft depend what you choose to use
Growth speed in optimal condition: Slow growing
Watering requirement – How often to water: Small amount of water, let it dry between watering and do not over water if it’s grow in pot possible to put the water from down to soak the water and let it dry
Light conditions in optimal condition for growing: Half Shade better morning sun / Full Shade with a lot of light
Is it possible to grow indoor as houseplant? Yes, grow better as houseplant, the graft hold better and longer
Growing is also possible in a pots, planter, flowerpot, containers: Yes, pot or clay pot that will be 20-50% bigger (not need deep because the root shallow) for good drainage that important use in the bottom of the container with little rocks like: gravel, lava rocks or pebbles, soil should be cactus potting mix, make holes in the container for good drainage and need to take care that the soil will be well ventilated
Switch the soil after few years: Removing the cacti from their pots, take paper and put slowly the plant on the paper, possible to “help” the cactus with the hands better to cover with papers or plastic wrap, after that prepare again the “little rocks” in the bottom, put part of the cactus potting mix, take the plant with and locate it in the new place, if it’s small take the soil mix with spoon and organize it (not to get the spines in hands) if it’s bigger use small garden shovel and squeeze the soil that the cactus will be stable and won’t fall, sometimes when it’s not stable better to add some stick that will hold the cactus.
Bloom season: Spring / Summer
General information about the flower Trumpet shape flowers, that can appear in colors: pink, white, red, purple or yellow, the flower multi-petals