The Q&A Archives: Long-Blooming Perennials

Question: I'd like to know what perennials bloom the longest in zone 6.

Answer: Most perennials bloom for only a week or two, but here are some that bloom for a relatively long period or may repeat-bloom later in the season: black eyed Susan, veronica, gaura, purple coneflower, Russian sage (perovskia), selected daylilies (hemerocallis), salvia, lanceleaf coreopis, boltonia, hibiscus, caryopteris, phlox paniculata, sedum, and Japanese anemones. With a little experimentation, you may find some additional plants that do particularly well for you in your garden's soil and microclimate.

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