Mammillaria semperviviDC .
Cactus sempervivi , Neomammillaria sempervivi
Family : CactaceaeSubfamily : CactoideaeTribe : CacteaeSubtribe : CactinaeGenus : Mammillaria
A clump of stems. In cultivation, Lecce, Italy. Photo by Antonio Leone. Used with permission. All rights reserved.
The specific epithet " sempervivi(sem - per - VEE - vi ) " means " always ( forever ) alive " and probably refers to the long lifespan of the cactus .
Mammillaria semperviviis aboriginal to fundamental and northernMexico . It occurs on calcareous soils in Hidalgo , Queretaro , Guanajuato , San Luis Potosi , and Nuevo Leon at altitudes ranging between 3,950 and 7,400 feet ( 1,200 to 2,250 m ) .
Mammillaria semperviviis a small cactus with flattenedgloboseto depressed globose staunch with pyramidaltuberclesand an teemingness of blanched woolen in theaxils . The stalk can grow up to 6 inch ( 15 centimeter ) in diameter , solitaryat first and slowly clumping with age . Eachareolebears 2 to 6 radial and 2 to 3 central spines . The radial backbone are bristle - like , measuring about 0.1 inches ( 0.3 cm ) long . They are mostly hidden under the wool and ordinarily present only on young stems . The central acantha are brusk and stalwart , reddish - brown to black , becoming grey with age , and can grow about 0.15 inches ( 0.4 cm ) long .
A 15 months old seedling. In cultivation, Bangalore, India. Photo by Kashif Taher. Used with permission. All rights reserved.
The flowers are funnel - shaped and appear in a ring around the crown of the stem in outpouring , barely rise above the tubercle . They can reach up to 0.8 inches ( 2 centimetre ) in length and nearly equal in diam . The crimson , club - shaped fruits can originate up to 0.4 inches ( 1 cm ) long .
Light : establish this cactus in an region of your garden that take in 4 hours of direct sunlight day by day . If you are growing M. sempervivi indoors , place it near the lustrous windowpane in your home or billet to ensure your cactus gets enough light source . Place the pot on the balcony or in the garden for spare light from spring to fall if potential .
grease : M. sempervivirequires a land mix that provides ascendant aeration and good drainage , whether grown outdoors or indoors . Use a commercial cactus potting mix , orcreate your own .
A clump of stems in bloom. In cultivation, Lecce, Italy. Photo by Antonio Leone. Used with permission. All rights reserved.
Temperature : This cactus is heat tolerant but not a cold - audacious plant . M. sempervivican withstand temperatures as low as 30 ° F ( -1.1 ° C).USDA Plant Hardiness Zones10a to 11b , 30 to 50 ° F ( -1.1 to 10 ° C ) .
Watering : From give to fall , water deeply and wait for the soil to dry out before watering again . Never lease the pot sit down in water . Suspendwateringin the wintertime .
fertilize : M. sempervivican welfare fromfertilizingduring the growing time of year . Apply a water - soluble plant food for cacti and other succulents . Suspend feeding during the winter when the plant goes torpid .
An old plant in bloom. In habitat, Galeana, Nuevo Leon, Mexico. Derivative of a photo byAd Konings. Used underCC BY-NC 4.0. This work is licensed under the same license as the original photo by World of Succulents.
Repotting : Repot every two or three old age into a slightly larger pot . The best sentence to repot yourM. semperviviis previous winter or former bounce , but the repotting process can be done almost any time of the twelvemonth .
Propagation : There are two easy ways to propagateM. sempervivi : by seeds or by dividing offsets . The best sentence to remove beginning is in spring and summer . Sow the seed in late spring or summer .
Learn more atHow to maturate and Care for Mammillaria .
M. semperviviis view non - toxic to both humans and pet .
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