Could use some advice on.......
large green aphids.
Last year I was given some large pieces of root/bulb mass which were Iris. I planted them after I got them, that was back in Sept of last year. Since then, they have grown out leaves that in some cases are longer than 3 feet, and about 6 of the plants right now have thick and long stems bearing flower buds! Friday we had torrential rain for a few hours and 3 seperate hail storms. While the hail did no damage out front, I noticed after the rain these flowering buds have large numbers of big green aphids covering them.
Did they appear after the rain, or where they there the whole time just waiting for the right moment? Regardless, will a solution of water and dishwashing liquid get rid of them like it would on a houseplant? Please help!
I would hate to lose these flowers I put so much care into them.