Coast Dudleya (Dudleya caespitosa) This plant grows along the coastline from San Francisco to Los Angeles. It starts from a rosette 8 inches wide, containing up to 30 leaves. The leaves are fleshy ...

Some conos are so hyperendemic that poachers can wipe out the entire population of one species in just a couple of visits.

Some of the most popular varieties for outdoor growing include crassula, haworthia, dudleya and echeveria. "If you live in ...