black aphid on maple/Acer
primrosecottage Posts: 817
My lovely 6ft Acer is totally infested with the things It's in a big pot and looked so good a couple of weeks ago then wham they arrived. I moved it into the middle of the garden hoping that predator s might get at them ,
.I've thought about washing it with a soapy spray is a weak fairy liquid solution ok to wash them away? .
I'd try washing them away.. then spraying the plant daily from underneath with the hose in order to discourage them taking up residence again.
So bad was the infestation I took drastic action and used a bug spray, which I don't like to do really. But within days the bugs, although still there, were all dead. Just had to wait for the wind and the rain to remove the corpses from the branches and leaves.
The spray I use was recommended to me by a passing gardening veteran and 40 year nursery owner. He had noticed my pained expression in the pesticide Isle of my local garden centre.
This was around 4 years ago and its the only stuff I use asit is very fast and very effective.
BUT I only use it in extreme circumstances, I prefer to let nature deal with pests as a rule.