Davis Milkweed. Most species are toxic to humans and many other species primarily due to the presence of cardenolides although as with many such plants there are species that feed upon them i e. Watch for monarch caterpillars on the.
Marks nwr in the spring of 2015 in response to the federal initiative to save the monarch. Close share this page. Davis milkweed asclepias speciosa showy milkweed asclepias speciosa virginia silk milkweed asclepias syriaca.
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This milkweed is native to california. Close share this page. Use these convenient icons to share this page on various social media platforms. Davis showy milkweed asclepias speciosa davis is a handsome milkweed with large silver gray foliage and big pink flower heads that bloom in late spring.