What's your question? Ask

Sweet Bay Laurel Trees

Q.Dark Spots Appear On Established Leaves, Top And Underside Of 4 Year Old Baytree.

Zone Bedfordshire | Anonymous added on June 11, 2024 | Answered

New leaf growth appears unaffected but is decimated once established. I have noticed minute spiders / mites and wondered if this was the cause. I would be very grateful to receive advice on identifying and treating the problem. Thank you.

A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on June 12, 2024

It could be psyllid damage. I also included information on other causes of leaf spots. These articles should help:

https://www.gardeningknowhow.com/edible/herbs/bay/dealing-with-pests-on-bay-trees.htm

https://ipm.ucanr.edu/PMG/PESTNOTES/pn7423.html

https://www.gardeningknowhow.com/edible/herbs/bay/sweet-bay-leaf-spots.htm

https://www.gardeningknowhow.com/edible/herbs/bay/sweet-bay-leaf-tree.htm

Also make sure the plants are not overfertilized. Excess minerals can cause dieback on leaf tips.

Was this answer useful?
00

Log in or sign up to help answer this question.

Did you find this helpful? Share it with your friends!

You must be logged into your account to answer a question.

If you don't have an account sign up for an account now.

Looking for more?
here are more questions about...
Sweet Bay Laurel Trees
Join Us - Sign up to get all the latest gardening tips!

Do you know a lot about gardening?
Become a GKH Gardening Expert

OK