my newly purchased 30/05/19 hydrangeas (3) RED BARON have not flowered and have now got brown spots that are getting larger can you help i have them singly in pots they have grown about double in size are well watered and fed i also added a 6 month slow feed at planting
Certified GKH Gardening Expert
It sounds like they may be a little TOO well watered. This sounds like, either, a fungal or bacterial infection.
In either case, a fungicide and removing the infected growth, as well as pruning the shrub at the appropriate time can help.
These articles will give you more information: https://www.gardeningknowhow.com/garden-how-to/info/using-fungicides-in-garden.htm