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Symptoms. Bay tree leaves thicken, curl downwards at the margins and turn yellow; often only half of the leaf is affected. The discoloured areas later dry up and become brown. Small greyish white insects may be seen underneath or near the curled leaf margins. The nymphs usually producing a white waxy material.
16 Μαΐ 2023 · In summary, there are several reasons why bay plant leaves may be curling, including lack of water, overwatering, pests, nutrient deficiency, temperature stress, and disease. By identifying the underlying cause of leaf curling and addressing it promptly, you can help your bay plant grow healthy leaves and thrive in your home or garden.
13 Απρ 2023 · If your bay leaf plant is not getting enough nutrients like nitrogen, potassium, and phosphorus, it may start showing signs like curled leaves. To fix this issue, fertilize your plant with a balanced fertilizer every month during the growing season.
13 Απρ 2023 · Peeling Bark. Peeling or cracked bark can be another sign of stress in bay trees, with fluctuating moisture levels or extreme winter cold being the most likely culprits. Bay trees are hardy down to at least -10℃, but when the temperature drops below zero for extended periods, peeling bark is common. No intervention is usually required, the ...
24 Μαρ 2019 · Sap-sucking bay leaf suckers attack bay trees, distorting and yellowing the leaves. Find out how to tackle them, with help from BBC Gardeners' World Magazine.
If you look under the leaf that is curled, you may spot an insect infestation, a white webbing, like the insect cocoon area is in the fold where the leaf curls. As the others suggested, use dishwashing soap (aka washing up liquid) diluted with water, enough to make suds.
