Blossoming Questions

I HAVE A BLOOMSTRUCK REBLOOMING HYDRANGEA AND IT SEEMS AS THOUGH THE BUDS HAVE DIED ON LAST YEAR’S GROWTH, BUT I DO HAVE NEW GROWTH COMING IN. SHOULD I BE WORRIED?

WHEN DO I CUT BACK MY HYDRANGEAS? SOME OF THE OLD WOOD STEMS HAVE BUDS AND OTHERS DO NOT.

WHAT IS THE TALLEST HYDRANGEA THAT WILL GROW IN FULL SHADE?

DO YOU NEED TO DEADHEAD A HYDRANGEA?

IS IT SAFE TO TRANSPLANT POTENTILLA IN SEPTEMBER?

IS IT OKAY TO HAVE BARE ROOT PLANTS SHIPPED TO ME?

Should Limoncello Barberry be pruned to the ground or just the top third next spring?

HOW CAN I REVIVE MY LITTLE DEVIL NINEBARK?

HOW DO I PRUNE MY CAMPFIRE ROSE?

WHAT SLOW RELEASE FERTILIZER WOULD YOU RECOMMEND FOR MY AMBER JUBILEE NINEBARK?