Monarch Adult
(FIRST sighted)

Mar 1 - Mar 14
Mar 15 - 28
Mar 29 - Apr 11
Apr 12 - Apr 25
Apr 26 - May 9
May 10 - May 23
May 24 - June 6
June 7 - June 20
> June 20

Winter Sightings

 

Monarch Butterfly Migration
Reported to Journey North as of March 16, 2007

(See MapServer for comments. Link to Data for Classroom Mapping)