RIP Tropical Milkweeds: Putting Your Garden To Bed This Autumn Monarchs are in northern Mexico. Right on schedule for Day of the Dead. Not all tropical milkweed are created equal. Why native milkweed won't thrive in a subdivision (paid link) Try Audible and Get Two Free Audiobooks Bringing Nature Home, Updated and Expanded: How You Can Sustain Wildlife with Native Plants Arizona milkweed finally has a pollinator on the flowers. Western honey bee is moving from goldenrod to late blooming Arizona milkweed. To be fair to the plant. It blooms and fruits all summer long until there is a frost.