plant id and another question

plant id and another question

My Sedum adolphi was doing perfectly fine but now the leaves have developed black patches and are shriveling and falling off. What could be wrong? I saw this plant on a design blog and would love to know what it is called http://2.bp.blogspot.com/_6f2Lz1ePKJ0/Sz5_evMnnKI/AAAAAAAADXA/EMocJrJqlho/s1600-h/1534835603_43aa5f951d_b.jpg
mutant ninja peas

mutant ninja peas

Gardeners know all the dirt!

Gardeners know all the dirt!

I need photo arrangement help! Plus photos of part of my apartment!

I need photo arrangement help! Plus photos of part of my apartment!

Sweepa broom

Sweepa broom

Dudleya?

Dudleya?

3 rooms!

3 rooms!