Thanks, Paul! So some monarchs may spend their entire life locally, provided there are nectar sources and milkweed available? I saw more monarchs and big cats on my meadows this year than ever before, including these on July 18, assuming that was the case. Documentaries I've seen, like the recently aired NatGeo's "Great Migrations", don't go into much detail about the spring migration, and I've never tagged them to know if I was seeing the same monarchs for several weeks, so I thought I'd check what others knew.
It was exceedingly dry in this part of the country summer and fall, so things like the New England asters didn't bloom at all in many places. In my meadows, the goldenrod, ironweed, and mistflower did okay for nectar sources for any late-staying monarchs or ones travelling through, though everything dried up much earlier than usual.