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Spring Milkweed Archives
Spring Migration
Milkweed
Egg
Fall Migration
Analyzing Data
These maps show sightings of the
1st milkweed
of the year.
Scientists: Contact us for permission to use Journey North data.
Spring 2018
Spring 2017
Spring 2016
Spring 2015
Spring 2014
Spring 2013
Spring 2012
Spring 2011
Spring 2010
Spring 2009
Spring 2008