Q.Holly Bush Berries
I know that female holly bushes have red berries, but why do some bushes have just green berries. They have been on my bush for months and are not changing to red. Never knew this could happen. Why?

Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on October 11, 2011
It sounds like your plants are affected by holly berry midge. These pests lay their eggs inside the holly berries and, to preserve the eggs and larva, release a chemical that prevents the holly berries from turning red. This article will help you learn more:
http://www.upenn.edu/paflora/plantclinic/hollyberrymidge.htm
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