· in this guide, we’ll reveal 14 plants that can harm your hydrangeas and show you what to grow instead to keep your garden balanced, healthy, and bursting with color. These plants include other flowers, trees, vegetables, and herbs, many of which prefer other soil types or need different care. · from overly aggressive growers to plants with conflicting care needs, this list reveals 11 plants that could spell trouble for your hydrangeas. · this guide explores 17 hidden threats that could be lurking in your garden, unknowingly harming your hydrangeas. Some even emit chemicals that are harmful to hydrangeas and other flowers. · hydrangeas are known for their blooms, but did you know growing them too close to the wrong plants can harm them? To revive wilting hydrangeas , cut off dead flowers or leaves and consider planting them in moist, well-draining soil with compost. From pests to environmental challenges, we uncover the culprits. · however, it turns out that some plants don’t play well with hydrangeas. Find out which species you should never grow near hydrangeas. Let’s dive into the combinations to steer clear of to keep your garden flourishing! · if your hydrangeas are struggling to stay alive, one of these problem plants may be the cause. Here are 15 plants you should never grow near hydrangeas. When your hydrangeas are exposed to excess sunlight and not getting enough water, their flowers will look dry and brown, and their foliage will start to fall off.