My bok choi and brussel sprouts are being eaten, near as I can tell, by wasps! When the damage started, I examined the plants daily, and could never find any bugs, except there is always a few wasps on the plants. I try to stay away from them, as our wasp colony can be aggressive at times. But the other day I was watching them, and they are eating the plants! I watched the little bugger eat a hole in the leaf! I had no idea wasps did this, and these are the only plants they bother. My neighbor suggested covering the planter w netting, which I will be doing. But, has anyone else had this issue? Is this common? And how do I know which plants to cover to avoid this in the future?
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Most likely, they are eating the invasive cabbage worms - generally the number one cabbage pest. It's a good thing. Your cabbage should be okay beneath the first outer lay or two ... I had one cabbage head that sustained heavy damage from the worms but the wasps have taken care of them. Still, much of the outside of the cabbage didn't survive the onslaught ... so I fed it to the chickens. :)
Good to know they not just being destructive. The bok choi is as big as it's going to get, as I planted it to close together. So I will be harvesting it today. Should I cover the brussel sprouts? Or just let the wasps at them? Thanks so much for the info!