One of the most lovely perennials you could add to such a garden is a swamp milkweed look-alike — sweet Joe-Pye weed ...

With brilliant orange wings sporting black stripes and white spots, Monarch Butterflies fly thousands of miles every year ...

Plenty of gardeners have heard of common milkweed. Many probably consider it the No. 1 monarch host plant, as well-known ... it doesn’t look like much until it blooms in midsummer.