Austrocylindropuntia subulata
Native range: Peruvian Andes
Known names: Eve's Needle Cactus, Eve's Pin Cactus
Hardiness: Best kept above freezing
Mature Size: ~12' and wide tall in native range
Light: Bright direct light, full sun
Water: Avoid watering when it is too cold and too hot (water in the evening on really hot days)
Soil: Succulent mix, fast-draining
Dormancy Period: Winter
Pet-Safe: No
Plant Size: 2.5" pot
 
Related to the Prickly Pear cactus. Unique for having leaves on new growth. Red flowers and fruit. Spines are yellow and appear with age.