10 Perennials That Absolutely Need a Fall Cut-Back

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Transcript

00:0010 perennials that absolutely need a fall cutback.

00:04Peonies.

00:05Cut peonies to the ground in September to prevent botrytis.

00:09Discard foliage, mulch lightly, and leave crowns exposed for stronger blooms.

00:14Bee balm.

00:15Trim bee balm to 2 inches to reduce powdery mildew.

00:18Clear debris and mulch to protect roots over winter.

00:22Catmint.

00:23Cut catmint back to 3 inches after blooms fade.

00:26Tidy woody clumps encourage basal growth and mulch for winter.

00:30Columbine.

00:32Trim columbine to 2 inches in fall to deter leaf miners.

00:35Discard foliage and lightly mulch to protect crowns.

00:39Phlox.

00:40Cut phlox to 2 inches to limit powdery mildew.

00:43Remove fallen leaves and disinfect tools for healthier spring blooms.

00:47Black-eyed susans.

00:49Cut stems to 2 inches after flowering.

00:51Control reseeding.

00:52Clear debris.

00:54Optionally leave few seed heads for birds.

00:56Yarrow.

00:58Trim yarrow to 3 inches to remove scraggly growth.

01:01Clear spent blooms and mulch lightly, promoting compact, disease-resistant regrowth.

01:05Coriopsis.

01:07Prune Coriopsis to 4 inches in fall.

01:10Remove dried foliage.

01:11Improve airflow and divide congested clumps for vigorous growth.

01:15Salvia.

01:15Cut salvia to 4 inches after blooms fade.

01:19Remove damaged growth, mulch for root protection, and encourage fuller spring regrowth.

01:24Shasta Daisies.

01:26Trim Shasta Daisies to 2 inches.

01:28Discard diseased foliage.

01:30Mulch lightly.

01:30And improve airflow for stronger, cleaner spring growth.