Blue Junipers

Question

I have sprayed the junipers for aphids. When and IF should I give them a second dose ?

Answer 1

This really depends on what you used to spray them. Unfortunately, without more information, I can't help much. What I can do is give you some articles that might help some:

https://www.gardeningknowhow.com/ornamental/shrubs/juniper

https://www.gardeningknowhow.com/plant-problems/pests/insects/controlling-aphids-and-ants.htm#:~:text=With%20less%20ants%20to%20defend,and%20their%20numbers%20will%20dwindle.

https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm