TL;DR
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A Homes & Gardens report, citing two gardening experts, recommends leaving seven plants uncut in October and waiting until spring for cleanup. Their seed heads and stems can feed or shelter wildlife, while standing foliage may help protect plant crowns from cold. The timing and winter care needed depend on the plant and local conditions.
Homes & Gardens has reported that gardeners should leave seven plants uncut in October, based on advice from horticulture experts who say standing stems and seed heads can support wildlife and help protect plants through winter. The advice applies to sedum, ornamental grasses, coneflowers, lilyturf, and three other plants identified in the report; the supplied source material names only four, so the full list cannot be verified here.
The report’s central advice is to resist a general fall cleanup where plants provide seed for birds, shelter for overwintering pollinators, or cover around plant crowns. It says removing faded stems in autumn can leave some plants more exposed to freezing temperatures and late frosts. These are expert recommendations, not a guarantee that leaving every plant standing will prevent winter damage.
Sedum is one plant the report recommends leaving in place. Shannon Barnette, horticulture manager at The Dawes Arboretum, says the remaining growth can help shield the crown from harsh winter temperatures. Barnette also advises against mulching sedum because, in her account, trapped excess moisture can cause crown or root rot. She describes sedum as hardy in USDA zones 3–9.
For ornamental grasses, landscape designer Lee Miller says autumn cutting can expose the plant’s center to freezing conditions and snow. She recommends cutting them in late March or early April, after frost risk has passed and before new growth appears. The report also names coneflowers, whose seed heads can feed birds and whose hollow stems can shelter pollinators, and lilyturf, which Miller advises leaving intact until spring growth begins. The supplied report does not identify the other three plants in its headline list.
Winter Shelter and Plant Protection
Leaving some faded growth in place can serve two practical purposes: it may provide food and habitat for wildlife, and it can help shield vulnerable crowns from cold. For readers planning October garden work, the advice argues against treating every untidy-looking perennial as debris that must be removed before winter.
The guidance is not a blanket rule for all gardens. The report notes that plant needs vary, particularly for ornamental grasses, and that local frost patterns and growing conditions affect when spring cleanup is appropriate. Sedum, for example, is described as needing little winter preparation, while potted coneflowers may need a sheltered position or burlap protection in colder conditions.
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The Four Plants Named
The Homes & Gardens article frames its advice as a response to the temptation to tidy gardens as they fade in fall. It distinguishes plants that may benefit from being left standing from other October gardening tasks; it does not say gardeners should stop pruning altogether. The recommendations are attributed to Shannon Barnette of The Dawes Arboretum and Lee Miller, a garden designer and consultant.
The source identifies four plants by name: sedum, ornamental grasses, coneflowers (Echinacea), and lilyturf, also called monkey grass or Liriope. It says sedum and coneflowers are hardy across USDA zones 3–9. For lilyturf, Miller recommends waiting until early spring growth appears, then cutting foliage to one or two inches above the ground. The source headline promises seven plants, but the provided text ends before naming the remaining three.
“Cutting back ornamental grasses in fall can subject the center of the plant to freezing temperatures and snow, causing the crown to hollow out.”
— Lee Miller, landscape and garden designer
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Three Plants Are Not Identified
The supplied source text does not include the names or advice for three of the seven plants promised in the headline. It also does not establish that leaving stems in place will protect every plant in every climate; the expert comments describe potential benefits and recommendations for specific plants. Exact cleanup dates will vary with local frost conditions and new growth.
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Wait for Local Spring Cues
For the plants named in the available report, gardeners can leave stems and seed heads through winter and check conditions again in spring. Miller recommends trimming ornamental grasses in late March or early April once frost danger has passed and before new growth appears. For lilyturf, she advises waiting for the first signs of growth, then cutting foliage back to one or two inches above the ground.
Barnette’s suggested pollinator-friendly timing is to wait until spring temperatures have remained above 50 degrees for a week before cleanup. Gardeners should check the winter needs of their particular ornamental grass and account for local weather. The other three plants in the article’s seven-plant headline cannot be addressed from the source material provided.
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Key Questions
Which plants does the report recommend leaving uncut?
The supplied text names sedum, ornamental grasses, coneflowers, and lilyturf. Although the headline refers to seven plants, the other three are not identified in the available source material.
When should ornamental grasses be cut back?
Landscape designer Lee Miller recommends trimming them in late March or early April, after frost risk has passed and before new growth appears. Timing depends on local conditions.
Why leave coneflower stems standing?
The report says coneflower seed heads can provide food for birds, while hollow stems may shelter overwintering pollinators.
Should sedum be mulched for winter?
Horticulture expert Shannon Barnette advises against mulching sedum, saying excess trapped moisture can contribute to crown and root rot. Follow guidance suited to the plant and local conditions.
How long should gardeners wait before spring cleanup?
Barnette says she waits until spring temperatures have been above 50 degrees for a week to give overwintering pollinators time to emerge. This is her practice, not a universal timing rule for every region or plant.
Source: rss
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