LifestyleHydrangea health: Battling powdery mildew with home remedies

Hydrangea health: Battling powdery mildew with home remedies

Powdery mildew is a fungal disease that often attacks hydrangeas, appearing as a white coating on the leaves that darkens over time. Fortunately, you can effectively combat it with home remedies.

Hydrangeas

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WOA

23 August 2024 21:01

Powdery mildew is one of the most common problems that hydrangea enthusiasts may face. This fungal disease thrives in high temperatures and progresses particularly quickly during dry weather when dew settles on the hydrangea leaves.

If you notice a white coating on your plants that darkens over time, immediate action is necessary.

Powdery mildew attacks your plants

Powdery mildew is a fungal disease that develops on various plant species, including hydrangeas. This fungus prefers high temperatures and can thrive in dry conditions, making it particularly dangerous during warm and dry periods when plants are weakened and more susceptible to infections.

Identifying powdery mildew on hydrangeas is relatively straightforward if you know what to look for. The initial symptom is a white coating on the leaves that gradually darkens. As the disease progresses, the leaves may curl, yellow, and eventually fall off or even die. Occasionally, it also appears on flower buds, which can affect their development and blooming.

Home remedies for combating powdery mildew

Fighting powdery mildew on hydrangeas doesn't always require the use of chemical plant protection products. There are several proven home methods that can help combat this disease:

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Soap and Baking Soda Spray. This natural spray is one of the most popular solutions. To prepare it, dissolve 5 ml of grey soap and 5 ml of baking soda in 1.9 litres of water. Spray the hydrangeas every 3-4 days to effectively combat the fungus.

Garlic Spray. Garlic has strong antifungal properties that can help fight powdery mildew. Crush approximately 20 grams of garlic and pour 1 litre of water over it. Let the solution sit for 24 hours, then strain it. Before use, dilute the liquid with water at a 1:1 ratio and spray the plants.

Nettle Spray. Nettle is another natural remedy that can help fight powdery mildew. Pour 1 kilogram of fresh nettles with 9.5 litres of water and let it sit for 24 hours. Use the resulting liquid undiluted, spraying the infected plants.

Milk Spray. Milk, especially when combined with water, has antifungal properties. Prepare a solution by mixing milk with water at a 1:8 ratio. Spray the hydrangeas once a week to prevent the development of powdery mildew.

All of these remedies can be applied in the morning or evening on overcast days to avoid burning the leaves and ensure maximum absorption. Regular monitoring and prompt action can help keep your hydrangeas healthy and vibrant.