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23 Αυγ 2022 · Brown, curling leaves on a bay tree can be a sign of bay suckers – a minute pest resembling fluffy white stars that devours leaf undersides. 'When feeding, this creature causes the plant's leaves to develop thick, distorted bulges,' explains John Negus.
16 Μαΐ 2023 · One of the most common reasons why bay plant leaves curl is due to a lack of water. Bay plants require consistent moisture to thrive, and if they do not receive enough water, their leaves will start to curl and wilt.
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.
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.
If it’s bay tree sucker then the new and younger leaves will be curling inwards, older leaves will be mainly unaffected. When you uncurl a damaged leaf you will likely see a tiny woolly insect possibly with some white fluffy cobweb stuff around or near it.
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.
Too Much Water for Bay Trees. One of the most common causes for a bay tree dying is overwatering. This often shows up as yellowing leaves, and sometimes these leaves will go spotted before they become fully yellow. Once established, bay trees are somewhat drought-hardy.