Joe Pye weed (Eutrochium spp.) is a must-have plant for North American native plant and rain gardens. While this tough perennial is a relatively low-maintenance plant, it isn't entirely problem free.

As Joe Pye weed's flowers start to fade, the bright blue flowers of caryopteris shrubs come into bloom, also attracting many pollinators, making these excellent companion plants. Though Joe Pye ...