7 Perennials You Should Cut Back Every Fall

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When To Cut Back Perennials

You'll need to set aside time throughout the busy fall season to take care of your perennial gardens.

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Cut Back: Iris

This well-liked, simple-to-grow bloom might be susceptible to iris borer infestations, which occur when the pests burrow into the rhizome's base to deposit their eggs.

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Cut Back: Bee Balm

Trimming back the red, pink, or deep purple blossoms on this plant ensures that it remains healthy for the mid-summer hummingbirds and butterflies that visit it.

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Cut Back: Peonies

These striking late-spring bloomers are susceptible to mildew as well. After the first frost, remove the leaves and trim the stems back to a few inches above the ground.

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Cut Back: Daylilies

To trim down the abundance of daylily leaves that burgeon from tubers like pyrotechnics, keep your shears sharp. T

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Cut Back: Lilies

During the growing season, lush, colorful bulbs, such as Trumpet, Asiatic, Oriental, and Tiger lilies, can stand as straight as snow posts in driveways.

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Cut Back: Phlox

Similar to bee balm, this aromatic blossom is prone to mildew and spreads easily. In the fall, trim it down to the soil to help keep mildew from growing.

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