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Expert warns garden mistake could kill your hydrangeas this summerHydrangeas are known for being low maintenance, but there are a few common mistakes that gardeners of all skill levels can

make with them. Here's what you need to knowCommentsLifestyleAngela Patrone Senior Lifestyle Reporter and Rom Preston-Ellis Assistant News Editor03:02, 05 Jun 2025Don't make this mistake

with your hydrangeas(Image: Getty Images) Hydrangeas, with their large shrubs and vibrant clusters of flowers, are a spectacle from late spring through to autumn. They're known for their

low-maintenance nature, making them a favourite among both novice and seasoned gardeners. However, despite their easy-care reputation, hydrangeas can fall victim to common errors made by

home gardeners across all experience levels.

Madison Moulton from Blooming Backyard pointed out that while there are several mistakes that can "seriously harm" hydrangeas, one in particular could be fatal. The gardening whizz

highlighted that even with their simplicity, hydrangeas have "small quirks in growth that often trip up gardeners."

‌READ MORE: Teeth whitening solution 'removes stains' quickly in time for summer holidays The most critical error is improper watering. It's essential to strike the right balance because

hydrangeas thrive on moisture but will suffer in waterlogged conditions, reports the Express.

‌ "The right balance will keep the roots cool and hydrated, giving you the best possible blooms and glossy foliage above the soil," the expert advised.

She cautioned: "Avoid watering too often, especially when drainage is not good, as this can quickly lead to root rot. If conditions don't improve, the entire root system will become mushy

and the plant will die."

Article continues below For those looking to rectify this issue, it's recommended to wait until the soil is somewhat dry before watering again, and to consider recent rainfall in the area.

Simultaneously, it's crucial not to delay watering hydrangeas, as insufficient hydration and erratic watering "will lead to stress, limiting new growth and preventing flowering".

The specialist highlighted that water is a "fundamental element" in photosynthesis and without adequate moisture, "hydrangeas cannot grow".

Article continues below The method by which gardeners water their hydrangeas can also impact the plant's development. It's advisable to steer clear of overhead watering where feasible,

directing the flow of water solely towards the soil.

Maddison remarked: "This keeps the leaves dry and prevents the proliferation and spread of damaging fungal diseases."