AT A GLANCE
What do sticky leaves on my hydrangeas mean?
What does it mean if my hydrangea leaves are sticky?
A sticky coating on the leaves of hydrangeas usually indicates one pest infestation there. Aphids leave sticky excretions on the leaves, and even when mealybugs are infested, sucking on the plants causes sticky spots.
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How can I prevent sticky leaves on hydrangeas?
The best prevention against a lice infestation are healthy, resilient plants. Make sure you choose your hydrangea with the right one fertilization provide enough nutrients and that the pH of the soil is low for them to absorb it well. This allows the plant to protect itself well from pests.
If your hydrangeas are nevertheless infested with lice, you can prevent the pest from spreading by removing affected areas immediately.
How can I treat sticky leaves on hydrangeas?
A light infestation with lice you can with a strong water jet fight. This will cause the lice to fall off the hydrangea and die. If the lice on the hydrangeas have already multiplied, treatment with one will help Mixture of rapeseed oil and soapthat you spray onto the hydrangea. Alternatively, you can also use a mixture milk and water or with nettle manure try the pests to get rid of.
Tip
Black leaves indicate pest infestation
In addition to the sticky coating, a blackening of the leaves be a sign of pests. When watering and caring for your hydrangeas, ensure healthy leaf growth so that you can act quickly in the event of an infestation.
