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Holly Bushes

Q.Holly Trees

Zone Columbia Missouri | crockettmj35 added on June 7, 2024 | Answered

Bees have been covering the holly tree in my yard. Do they prevent berries from forming if they constantly swarm the branches and feed? Also when should holly be sprayed for a web that forms on the tree mid-summer, The tree care I called in this town recommended spring and they didn’t appear and when I called again they recommended fall. I guess the job was so small they didn’t want to bother. Such is life today. m j crockett D

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Certified GKH Gardening Expert
Answered on June 10, 2024

Bees would, actually, ensure pollination so that they will produce berries better. They do not eat plants, themselves. They only want the nectar within the flowers, which pollinates it at the same time. I would welcome them, as honey bees will not usually sting unless you disturb them while they are feeding or nesting.

The webs are likely tent caterpillars. This would explain the timing of the webbing. If you were to notice these in fall, then it could potentially be the fall webworm.

Treating them will be a task, but with some persistence and yearly treatment, you will be able to get rid of them. Both can be treated by similar means. You have an extra option for fall webworms, but this doesn't seem to be your issue. With either one, you can use Bt (Bacillus thuringiensis). This bacteria is harmless to us and other animals. It is deadly to many caterpillar species, however. These are no exception.


There are chemical means, as well.



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