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
My flowers

My flowers

Fern care

Fern care

Hydrangea Help!

Hydrangea Help!

my abode

my abode

Roses

Roses

That was fun.

That was fun.