{"id":5008,"date":"2016-10-31T20:49:11","date_gmt":"2016-11-01T03:49:11","guid":{"rendered":"https:\/\/cnpsslo.org\/?p=5008"},"modified":"2019-05-28T22:41:31","modified_gmt":"2019-05-29T05:41:31","slug":"water-a-milkweed-kill-a-monarch","status":"publish","type":"post","link":"https:\/\/cnpsslo.org\/2016\/10\/water-a-milkweed-kill-a-monarch\/","title":{"rendered":"Water a Milkweed, Kill a Monarch?"},"content":{"rendered":"<blockquote><p>Monarch caterpillar feeding o<em>n Asclepias fascicularis<\/em><\/p><\/blockquote>\n<p>All of our local native milkweeds are perennials, but like a\u00a0lot of our drought-adapted plants, die back and go dormant\u00a0during the long late summer and fall drought. Many\u00a0gardeners, knowing there is a monarch butterfly\/ milkweed\u00a0connection, try to keep the milkweeds green all year, or use\u00a0non-native milkweeds that stay green. Cal Poly\u2019s Dr.\u00a0Francis Villablanca has shown that winter breeding by\u00a0monarchs will take place if green milkweed is available,\u00a0which would not normally happen in the overwintering\u00a0populations in SLO County. Nonstop breeding on the same\u00a0plants can perpetuate the transmission of a devastating\u00a0parasite called OE, for <em>Ophryocystis elektroscirrha<\/em>.<\/p>\n<p>Normally, the transmission cycle is broken when\u00a0milkweeds go dormant. The infection can\u00a0kill adults as they emerge from their chrysalis, while mildly\u00a0infected monarchs fly poorly, don\u2019t reproduce normally,\u00a0and die early. These very sick butterflies can then carry\u00a0spores of the pathogen into the milkweeds in other gardens\u00a0or along the entire migration route.<\/p>\n<p>You don\u2019t have to tear\u00a0out a non-native milkweed if you cut it way back. While the\u00a0infection issue is much greater\u00a0for the central USA migration paths, it is critical that we take\u00a0preventive actions on the coast, especially since we are still\u00a0determining how bad it actually is in California.<\/p>\n<p>Many thanks to\u00a0Dr. Villablanca of Cal Poly on putting all of this together.<\/p>\n<p>David Chipping<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Monarch caterpillar feeding on Asclepias fascicularis All of our local native milkweeds are perennials, but like a\u00a0lot of our drought-adapted plants, die back and go dormant\u00a0during the long late summer [&hellip;]<\/p>\n","protected":false},"author":7807,"featured_media":5040,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":""},"categories":[238,406],"tags":[305,306],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Water a Milkweed, Kill a Monarch? 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