
I have heard of planting chives around other plants to repel aphids- some people have luck with this, but I think you need a lot of chive plants to have an effect. Applying a spray made of wild chives might actually be more effective, since the taste and smell of the chives would be directly on the plants. I don't know if this has been tested but it's worth a try. You could use the following recipe for garlic spray and just substitute the chives for the garlic:
https://www.gardeningknowhow.com/edible/herbs/garlic/controlling-pests-with-garlic.htm