Viburnum Shrubs

Viburnum Opulus Worms


Anonymous added on June 4, 2015 | Answered

My viburnum opulus is being destroyed by small greenish coloured worms. They are definitely not a beetle. How can I eradicate them and save my tree? Thanks.


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ANSWERS
Heather
Certified GKH Gardening Expert
Answered on June 7, 2015

They can be treated with products containing Bacillus thuringiensis (Bt), a natural bacteria that kill worms without harming plants. Neem oil may be helpful as well. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/using-bacillus-thuringiensis.htm
https://www.gardeningknowhow.com/problems/pests/neem-oil-uses.htm

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