Oakleaf hydrangea

I planted this shrub three years ago and it only shows ONE bloom every year. It is in shade (as I thought it should be) – could that be the problem? I have not pruned it yet. Any idea ?…

Rhododendron has buds but no flowers

I have two smallish rhododendrons that are in bloom now, June 1. There are lots of flowers on them but the flowers will not open. Does this mean the plant is dying?…