I am somewhat new to planting in the ground. The soil here is heavy clay, a bit more sandy in some areas (unfortunately not mine). Aeoniums might be able to tolerate it, but I'm sure the Semps won't like it too much. My first thought to amend it would be to add plenty or organic matter, as well as drainage material. Drainage material including course sand, grit, gravel, lava rock. I plan on amending it this spring; the ground in the summer is rock hard (again, fine clay becomes very hard when dry). Which makes the ground hard to work with, and hard to get water in.
I guess, the other alternative would be to make a raised bed.
Thank you for any suggestions and ideas.