Common milkweed and bee balm

Common milkweed, Asclepias syriaca, is a robust plant, spreading by rhizomes (underground stems). But it's a favored host plant for monarch butterfly caterpillars, which is recommendation enough for me. It's just started to flower, and is being visited by lots of flower visitors, just like its relative, Asclepias tuberosa (butterfly weed). I transplanted it into our meadow thanks to my butterfly gardening friends, and it's flourishing.

The bee balm doesn't much like the ongoing drought, but is a tough customer nevertheless. Bumblebees were active visitors close to dusk.

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