Your shrubs could've turned brown for a number of suspect insects or diseases are the problem?
23+ Diseases Hydrangea Leaves Turning Brown. In most cases, the fungus or bacteria does not threaten the. Do your hydrangeas have brown spots, turning yellow, have holes, or curling and dying off?
Hydrangeas Forum Brown Spots On Hydrangea Leaves Garden Org from garden.org
Depending on temperature and moisture, the problem will flare. Pale pink hydrangeas, grassy green boxwoods, rosy red azaleas. Cercospora leaf spot is a destructive leaf disease of hydrangea in the landscape and in nurseries.
This could be from inadequate water.
When infected leaves brown and drop, the disease spores stay in the vicinity. Hydrangea macrophylla, also called bigleaf or french hydrangea, typically has either pink or blue flowers, although a few cultivars have white flowers. Watering without getting the leaves wet will help to prevent these diseases. Dipladenia leaves turning brown google search.
