The Sacramento Bee reported
Sacramento is a crucial pit stop in the migration of monarch butterflies across Northern California. Recently, local monarch enthusiasts have introduced tropical milkweed — a source of food for the butterflies — into their gardens to support the beloved insect’s journey. Despite strong messaging against tropical milkweed by some butterfly conservationists, UC Davis researchers show that the plant neither helps nor harms monarchs in California.
Read more Tropical milkweed may not harm monarchs in Northern CA | Sacramento Bee
Natural History Wanderings 
I’ve always felt that the reasoning behind the anti-Tropical Milkweed arguments were anecdotal and not very solid science. Rusty
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By: rfscalf on July 4, 2025
at 7:15 AM