From Monarch Lab:
“The 3rd Annual International Monarch Monitoring Blitz is coming up in Canada, Mexico and the United States from 27 July to 4 August 2019.
“For one week, the Blitz invites people across North America to go out to gardens, parks and green areas and monitor milkweed plants for monarch eggs, caterpillars, chrysalises and butterflies. This information will help researchers identify priority areas for monarch conservation actions.
“You can help by spreading the word, hosting a monitoring event, or monitoring yourself during this time”