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
Another new person!

Another new person!

Garden pictures this past week

Garden pictures this past week

Spring flowers

Spring flowers

Wall-mounting ceramic tiles.

Wall-mounting ceramic tiles.

Plant ID and update on my sunflowers

Plant ID and update on my sunflowers

My first squash bulb!

My first squash bulb!