There are so very many brands of hydrangea available today, it is hard to keep up. Do they bloom more than once…? Well, they bloom and hold the flowers, typically. But there may be 鈥渘ew鈥 plants that do more. You say it get only morning sun. Is that enough? Do you have a care tag? Some need more sun. Is the water standing under the plant or is it draining off? It is best to water deeply every 5 to 7 days. Mulch will help the soil to retain moisture during that period. Bud failure can also be caused by frost or the soil may lack basic trace elements. Do a soil test and amend accordingly. Finally, the problem could also be insects or disease.
There are so very many brands of hydrangea available today, it is hard to keep up. Do they bloom more than once…? Well, they bloom and hold the flowers, typically. But there may be 鈥渘ew鈥 plants that do more. You say it get only morning sun. Is that enough? Do you have a care tag? Some need more sun. Is the water standing under the plant or is it draining off? It is best to water deeply every 5 to 7 days. Mulch will help the soil to retain moisture during that period. Bud failure can also be caused by frost or the soil may lack basic trace elements. Do a soil test and amend accordingly. Finally, the problem could also be insects or disease.