Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: Danaus plexippus

On Flag Day, Both Flags and Monarchs Flutter

A majestic monarch butterfly, an icon, on an American flag. (Photo by Kathy Keatley Garvey)

Today, June 14, is Flag Day, a time when we celebrate and commemorate our American flag. Our Continental Congress adopted the "Stars and Stripes" as our nation's flag on June 14, 1777. Historians tell us that President Woodrow Wilson proclaimed June 14...

Posted on Thursday, June 14, 2018 at 4:33 PM
Focus Area Tags: Yard & Garden

A Monarch Kind of Christmas

Last year at this time, we saw four monarchs eclose in our small-scale rearing project. (Photo by Kathy Keatley Garvey)

Merry Christmas has always been merry, but it's better with butterflies! Isn't everything better with butterflies? Last year, in our small-scale monarch rearing project here in Vacaville, Calif., we saw one monarch eclose on Saturday, Dec. 24, one on...

Posted on Monday, December 25, 2017 at 6:00 AM
Tags: butterfly (1), Christmas (1), Danaus plexippus (35), holiday (1), monarch (3)

Are Western Monarchs Heading for Extinction?

A male monarch takes flight on Sept. 12 in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Are western monarch butterflies heading for extinction? A Sept. 7 article in Reuters, headlined "Monarchs in Western United States Risk Extinction, Scientists Say," indicated that "Monarch butterflies west of the Rocky Mountains are teetering on the...

The Monarch Butterflies Arrive!

A male monarch visits the Mexican sunflower patch in the Garvey pollinator garden. (Photo by Kathy Keatley Garvey)

A little haggard, a little worn, a little ragged, a little torn. But there she was on Monday, Aug. 1, the first monarch of the season to lay eggs in our little pollinator garden in Vacaville, Calif. She found the milkweed, but that was AFTER the...

Posted on Tuesday, August 1, 2017 at 4:51 PM

A Look Back at 2016: Monarch Butterflies Reigned

This tagged butterfly, part of WSU entomologist David James' migratory research project, flew from Ashland, Ore. on Aug. 28 to Vacaville, Calif. on Sept. 5, or a distance of 285 miles in seven days, or about 40.7 miles a day.  It was reared and tagged by Steve Johnson of Ashland and was on its way to an overwintering site along coastal California. (Photo by Kathy Keatley Garvey)

What a marvelous year! Looking back at 2016, monarch butterflies reigned supreme--or at least they did in this Bug Squad blog! Finding--and photographing--a  tagged monarch butterfly (monarch@wsu.edu A6083) in our pollinator garden in Vacaville,...

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