Mammillaria longimamma grow and care – cactus of the genus Mammillaria also known as Gold lace cactus, Mammillaria longimamma perennial used as ornamental drought tolerant plant, can grow in desert, mediterranean or subtropics climate and growing in hardiness zone 10-11 possible with the right care in hardiness zone 12.
Stem color is green the spine color can be white, red or yellow the spines in the top of the stem, the stems can be in cone shape connected in the base and grow in rosette shape lot of plant connect can create shape of half ball.
How to grow Mammillaria longimamma – growing and care:
More than -2C, well-drained soil
How to care: Check for soil drainage, cut rotten parts, protect from heavy snows
What is the best way to start growing? Plant / Seed / Vegetative reproduction by daughter plants or cutting, Daughter plants mostly need to take care when pull it from the ground you take all the roots, take a plastic spatula or something harder depend the soil and uncover the roots, dig around the plant and better to use air blower machine or wash it with stream (but let it dry after) / Cutting – better to take all the cactus and cut it for pieces or else it’s just looks cut in the middle, cut with sterile knife after this let the cut part to stay on the shade to heal it’s might take few weeks and even months, put it on the soil with support (stick or something that won’t fall) cover lightly and lightly from the side and water it small amount of water.
Is it necessary to graft or use vegetative reproduction? No
Difficulties or problems when growing: Spines
Recommended planting season? Spring to summer in hardiness zone 10, spring to autumn in hardiness zone 11, possible all the year in hardiness zone 12
Pests and diseases: Just for design and dead part
Pruning season: All year
How to prune: Just for design and dead part
Size of the plant? 5-15 cm, 2-6 inches
Growth speed in optimal condition: Slow growing
Water requirement: Small amount of water
Light conditions in optimal condition for growing: Full Sun
Is it possible to grow as houseplant? No
Growing is also possible in a planter /flowerpot / containers: Yes, container 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, after 2-4 years switch the soil by 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: Summer
General information about the flower Trumpet shape flower in yellow color