So I recently discovered milkweed plants prefe…

So I recently discovered milkweed plants prefer acidic soil…and blueberry plants also prefer acidic soil. So I bought two more blueberry bushes and this narrowleaf milkweed plant (pictured above) and made an acidic-soil-zone in my garden. Yesterday I found these two caterpillars enjoying the plant; one is monarch and idk about the other but i’m going to keep watching them grow