I was unexpectedly away several weeks this summer, and upon return my kale and broccoli and even rutabaga (planted near the kale) have massive globs of gray aphids at base of leaf stems and lots of gray things on the leaves. I thought it was eggs of the cabbage worm, but have seen only a few worms and worm droppings. Now I believe it is aphids. I have pulled out all plants - should I burn them? Or just put out in woods far from my garden? Also I see tons of them in the soil around where the plants were. Will they overwinter? If so, what can I do now? Dust with diatomaceous earth?
I was unexpectedly away several weeks this summer, and upon return my kale and broccoli and even rutabaga (planted near the kale) have massive globs of gray aphids at base of leaf stems and lots of gray things on the leaves. I thought it was eggs of the cabbage worm, but have seen only a few worms and worm droppings. Now I believe it is aphids. I have pulled out all plants - should I burn them? Or just put out in woods far from my garden? Also I see tons of them in the soil around where the plants were. Will they overwinter? If so, what can I do now? Dust with diatomaceous earth?