How Do You Control Thrips on Rhododendrons Nz
In Autumn, Carry out a Plant ‘Clean Up’ to Reduce Overwintering of Thrip and Other Pests. Spray with a Planthealth Copper Fungicide Liquid Followed by Organic...
In autumn, carry out a plant ‘clean up’ to reduce overwintering of thrip and other pests. Spray with a PLANThealth Copper Fungicide Liquid followed by Organic Super Spraying Oil. Then a month later apply Organic Super Sulphur.
How do you get rid of thrips on rhododendrons?
Pyrethrum spray from Chrysanthemums: My local Rhododendron expert Don Wallace recommends using a Pyrethrum spray when the thrips are most active, in summer.
What is the best way to kill thrips?
Use blue sticky traps: Use these traps are helpful for controlling adult thrips. Spray: If an infestation is out of control, you will have to spray with an insecticide. Use a pyrethrin spray or another type of oil-based spray. This type of spray combines an insecticide with fatty oils to smother and poison thrips.
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