Has anyone else got a honeysuckle with this problem? We have a beautiful nearly 30-year-old honeysuckle (Lonicera Belgica) growing over an arch and for the last three years or so it gets an infestation of small grey aphids attacking the new growth and buds. Millions of them. Literally. The buds then either don't open at all, or they do but are shrivelled and distorted. I can't spray it with insecticide because A - much of it is quite high up and you either can't reach it or the insecticide cascades over you underneath as well, and B - we get a lot of blue tits and great tits in the garden and I don't want to poison them because they do eat some of the aphids.
The aphids appear out of nowhere and within a few days all the new growth is entirely smothered in the damn things. It's strange though, because we have a lot of other plants in the garden and we don't find these particular grey aphids on anything else at all.
I am at my wit's end - help please!