The JIs are out in the garden. I tried a light soap solution last year and it killed my JI, almost overnight! More like a week but the effect was practically instantaneous. I'm thinking pH on that one!
I have some Bayer Rose spray (0.012% Imidacloprid). I'm hoping to solve the problem more organically if possible, but will probably try several product for a comparative test.
When should the Imidacloprid be applied? My JIs are all up now...
