Viburnum are often caused by tiny insects called aphids. Aphids are often found clumped together on a plant when seen. Aphids consume sap from plants and leave the plant bruised and twisted in appearance. Thrips also cause damage to plants in a similar manner. Ladybugs help control the aphid population as well as other insects such as lacewings and wasps. Insect soap sprays are another way to reduce aphid aphid damage to plants is not considered harmful.
Key Takeaways:
- At the point when viburnum leaves are twisting, there’s a decent shot that vermin are to be faulted, and aphids are the typical suspects.
- Aphids are regular nuisances of viburnums. The minor bugs are not entirely obvious at first look, yet you may discover them in swarms bunched on the undersides of takes off.
- In spite of the fact that there are many sorts of aphids, snowball aphids, pale blue dark irritations that appear as though they’ve been daintily cleaned with white powder.
“As aphids suck the sweet sap from tender new growth, viburnum leaves take on a twisted, distorted appearance.”
Read more: https://www.gardeningknowhow.com/ornamental/shrubs/viburnum/leaf-curl-in-viburnums.htm