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

Posts Tagged: Monarch Grove Butterfly Natural Preserve

Not a Good Time to Be a Monarch Caterpillar

A monarch caterpillar munches on   tropical milkweed in Vacaville, Calif. on Friday, Oct. 27. (Photo by Kathy Keatley Garvey)

Migrating monarchs are fluttering daily into our yard in Vacaville, Calif., one by one, two by two, three by three, and four by four, for a little flight fuel. They're sipping nectar from the Mexican sunflower, Tithonia rotundifolia, and tropical...

A monarch caterpillar munches on   tropical milkweed in Vacaville, Calif. on Friday, Oct. 27. (Photo by Kathy Keatley Garvey)
A monarch caterpillar munches on tropical milkweed in Vacaville, Calif. on Friday, Oct. 27. (Photo by Kathy Keatley Garvey)

A monarch caterpillar munches on tropical milkweed in Vacaville, Calif. on Friday, Oct. 27. (Photo by Kathy Keatley Garvey)

Pacific Northwest monarchs began migrating to their overwintering sites along coastal California in last August and early September. This one touched down on milkweed in Vacaville, Calif. on Sept. 12. (Photo by Kathy Keatley Garvey)
Pacific Northwest monarchs began migrating to their overwintering sites along coastal California in last August and early September. This one touched down on milkweed in Vacaville, Calif. on Sept. 12. (Photo by Kathy Keatley Garvey)

Pacific Northwest monarchs began migrating to their overwintering sites along coastal California in last August and early September. This one touched down on milkweed in Vacaville, Calif. on Sept. 12. (Photo by Kathy Keatley Garvey)

This was the scene Nov. 14, 2016 at the  Natural Bridges State Park's Monarch Grove Butterfly Natural Preserve, Santa Cruz. They were overwintering 80 feet high in a eucalpytus tree. (Photo by Kathy Keatley Garvey)
This was the scene Nov. 14, 2016 at the Natural Bridges State Park's Monarch Grove Butterfly Natural Preserve, Santa Cruz. They were overwintering 80 feet high in a eucalpytus tree. (Photo by Kathy Keatley Garvey)

This was the scene Nov. 14, 2016 at the Natural Bridges State Park's Monarch Grove Butterfly Natural Preserve, Santa Cruz. They were overwintering 80 feet high in a eucalpytus tree. (Photo by Kathy Keatley Garvey)

Posted on Monday, October 30, 2017 at 4:22 PM
 
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