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

Posts Tagged: milkweed

Got Milkweed? Bees Like It, Too!

A male Valley carpenter bee, Xylocopa varipuncta (aka

The Bohart Museum of Entomology at the University of California, Davis, stocks a "Got Milkweed?" t-shirt in its gift shop. In real life, insects "get" milkweed. We all know it's the only host plant of the monarch butterfly--where monarchs lay their...

Posted on Thursday, June 15, 2017 at 3:28 PM

Monarch Sightings in the UC Davis Arboretum: Cause for Celebration

A monarch on milkweed in the UC Davis Arboretum. (Photo by Kathy Keatley Garvey)

What a delight to see. We strolled through milkweed patches in the UC Davis Arboretum Thursday noon and saw them. Monarchs! The monarch butterflies (Danaus plexippus) are returning from their coastal California overwintering sites. And we're getting...

Posted on Friday, May 26, 2017 at 6:28 PM

What Are Those Red and Black Bugs on Milkweed?

Yule ornaments? No, just milkweed bugs about to reproduce. (Photo by Kathy Keatley Garvey)

Got milkweed? Then you probably have milkweed bugs. All summer and into fall, we spotted the familiar reddish, black and white bugs scurrying around on our showy milkweed, Asclepias speciosa, and tropical milkweed, Asclepias curassavica. Showy bugs on...

Monarch Caterpillars--in November?

A November monarch caterpillar found on tropical milkweed in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

What a Thanksgiving surprise! No, the stuffed turkey didn't slip out of the oven and fall on the floor. Nor did the pumpkin pie turn another shade of orange. Some unexpected guests arrived--four to be exact. That's the number of monarch caterpillars...

Posted on Friday, November 25, 2016 at 5:28 PM

Arboretum Plant Sale on Oct. 22: Yes, There's Life After Lawn

Monarch butterfly nectaring on Buddleia 'Purple Haze.' This will be one of the plants offered at the UC Davis Arboretum Plant Sale on Oct. 22. (Photo by Kathy Keatley Garvey)

Is there life after lawn? Yes. If you're looking for plants to attract pollinators, including bees and butterflies, then the UC Davis Arboretum's Plant Sale on Saturday, Oct. 22 is the place to "bee." A public fall clearance sale will be held from 9...

Posted on Friday, October 21, 2016 at 2:52 PM

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