Not sure how to keep your swallowtail chrysalises safe over winter? This method has worked really well for us, and could work for your overwintering swallowtails too…
How to overwinter butterfly plants INDOORS…with minimal cost and effort!
Which Annual Butterfly Plants are worth Overwintering Indoors…and Why?
50 places to find a Monarch Chrysalis in your Butterfly Garden
Raising Hope for the Monarch Migration- Raise The Migration 2019 Results