Popular plants to avoid growing near hydrangeas as it 'kills them'

Hydrangeas are beautiful shrubs that offer unique colours to gardens including pink, blue and purple. However, not all plants are friends with hydrangeas . Due to hydrangeas' conditions, plants that thrive in the sun or in extreme shadows cannot survive.

Lindsey Chastain, the founder of The Waddle and Cluck , has shared five plants gardeners should 'avoid planting next to hydrangeas' and the reasons why. She said: "Hydrangeas are popular for many gardeners due to their vibrant colours and large, beautiful blooms. However, not all plants make good neighbours for hydrangeas.

While hydrangeas can be a beautiful addition to any garden, it's important to consider their needs and characteristics when deciding what to plant next to them." She said: "By avoiding these five types of plants, you can help ensure your hydrangeas thrive and continue to add beauty to your garden for years to come." Azaleas While both azaleas and hydrangeas produce attractive foliage that comes in many colours, they do not make good companions, reports the Express .

Lindsey explained: "Azaleas prefer acidic soil, while hydrangeas thrive in soil with a pH that ranges from slightly acidic to slightly alkaline. If you try to adjust the soil pH to suit one, you might end up harming the other." Black walnut trees Another plant to avoid is black walnut trees.

Black walnut trees produce a substance known as juglone, which is 'toxic to many plants', and this includes hydrangeas. The juglone is released into the soi.