The primary reasons hydrangeas don’t bloom are incorrect pruning, bud damage due to winter and/or early spring weather, location and too much fertilizer. Hydrangea varieties can be of the type that blooms on old wood, new wood or both. Old wood is the current year’s growth and new wood is next year’s (spring) growth.
Do you cut back Blushing Bride hydrangea?
Additional Notes about Blushing Bride Hydrangea:
Hydrangea arborescens: Blooms on new wood, prune in late winter or early spring. Hydrangea macrophylla: Blooms on old wood, do not prune. … Hydrangea quercifolia: Blooms on old wood, do not prune. Remove only spent flowers and dead, damaged or unsightly wood.
Can I use Miracle Grow on hydrangeas?
In the North, hydrangeas can grow in all-day sun. Improve soil nutrition and drainage by adding Miracle-Gro® Garden Soil for Trees and Shrubs (in-ground) or Miracle-Gro® Moisture Control® Potting Mix (containers).
What happens if you don’t prune your hydrangeas?
Hydrangeas that bloom on old wood do not need pruning and are better off for it. If you leave them alone, they’ll bloom more profusely the next season. … Just remember new growth may come, but that new growth will be without blooms next season.