Overwintering Techniques

A certain portion of the United States has cold winters.  Butterflies that fly in these areas spend the winter in at least one stage of their lifecycle--egg, larva, chrysalis, and/or adult.  This website does not address how to overwinter adult butterflies; but it does address how to overwinter eggs, larvae, and/or pupae.

To keep butterfly immatures alive during the winter, certain strategies and equipment are helpful.  The common element to any strategy addresses three basic concepts:

  1. Humidity
  2. Airflow
  3. Protection