Life Cycle of a Cabbage Moth

Making decoy cabbage white butterflies to stop the nibbling green cabbage worms… do they work? This has become a common garden practice I see a lot, so I wanted to test it. Honestly, there is a lack of evidence or documentation for this practice working, it it sounds good in theory. Basically cabbage butterflies/moths are said to be territorial, avoiding common spaces. But does it work? I wanted to make some that would last through the elements and could be reused year after year, so I bought a