Tightly Stacked Succulent Leaves Posted September 11, 2019 10:24 am & filed under Succulents. Crassula columella Common Name: Silinderplakkie Origin: South Africa; Namibia Description: Miniature square-shaped vertical stems to 6″. Grows in quartz outcroppings along hillsides. Temperature : Hardy to 28F Cactus and Succulents Bamboo Perennials Carnivorous Plants Airplants Sign up for our Monthly Newsletter Garden LinksBrooklyn Botanic GardenBug GuideCalflora (CA natives)Conservatory of Flowers, SFKew GardensRuth Bancroft GardenSan Francisco Botanic GardenTilden Park, BerkeleyUC Berkeley Botanic GardensUC Davis Arboretum Search for: March 2023 M T W T F S S 12345 6789101112 13141516171819 20212223242526 2728293031 « Feb Cactus Jungle Tweets by CactusJungle Check out Cactus Jungle on Yelp US Constitution Videos We Get Questions Email your questions to: blog [at] cactusjungle [dot] com