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How to prepare your garden for winter before the first frost

These winter gardening tips may just save your plants.

The leaves tumbling off the trees is nature’s way of telling us it’s time to get the garden ready for winter. In fact, when dying leaves drift onto the ground, they provide nutrition that’s vital for the buds of spring. “This is what is happening in nature,” said gardening expert C. L. Fornari of “So we gardeners should take a hint.”

We asked Fornari and another expert, Debbie Allen, author of "Garden Notes From Muddy Creek: A 12-Month Guide to Tending Ornamental Perennials," about how to best protect your garden before winter hits.

1. Pull up dying plants

First, pull up any plants that have had insect or disease problems, said Fornari. You don’t want pests or diseases wintering in your patch. Burn or bag any diseased plants — don't toss them onto your compost pile.

2. Pare your perennials

Cut perennials, leaving them 4 to 6 inches tall, suggested Allen. But don’t do this before the first killing frost. The energy in the upper plant flows to the root systems where it’s stored for the winter. If you cut back too early, energy stores don’t get to the roots. Wait until the plant is dead and then cut it back.

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3. Remove slimy leaves

While you’re cutting, make sure that any plant that has become slimy and matted after a hard frost gets removed. “Get those slimy leaves out of your garden so diseases and bugs cannot winter there,” Allen said. Pests love slime. Hostas and Solomon’s seal, for example, can both get pretty slimy. Also, make sure you dig out all of the weeds and give your garden enough water to keep plants moist in the winter.

4. Keep pretty plants standing

Leave plants that stand up straight and have interesting seed heads alone — such as sunflowers, coneflowers, thistles and blackberry lily. “They are beautiful in the winter sun, and they also provide vital winter food and sanctuary for butterflies to lay eggs and birds to nest,” Allen said.

If you cut all of your plants back to the ground level, she added, you “may be eliminating next season’s crop of butterflies.”

Hands holding composted earth
Composting is a great way to reuse the nutrients in plants even after they've died. Getty Images stock

5. Cover up with compost

Spreading 1 to 6 inches of compost or composted manure over your garden enriches your soil with nutrients and keeps it from becoming depleted. Compost can be made up of many things, including everything you have cut throughout the year, food waste from the kitchen and manure. Shoot for a balance of brown and green materials for the best results; think straw, leaves and grass. “The age-old practice of composting is getting back to the best thing you could possibly do for the earth,” Allen said.

6. Don’t jump the gun with winter protection

Don't put protective mulch (pine branches, salt marsh hay or chopped leaves) down too early. “If you put down that cozy layer too early, the mice move in, have a cozy winter and dine on your plants at the same time,” said Fornari. “Put down winter protective mulch when it gets a little colder and the mice have already found other homes, like your garage.”

7. Plant your spring-flowering bulbs

Daffodils, tulips, crocuses, hyacinths and even garlic get planted in the fall, said Fornari. Remember that each bulb should be planted at a depth that is three times the height of the bulb. So a 1-inch bulb gets planted about 3 inches down. The bulbs themselves don’t need water, but it’s a good idea to water the soil as watered soil is harder for animals to dig up.

8. Conserve your greenery

When you rake up all of the leaves from deciduous plants on your property, make sure you add them to your compost rather than getting rid of them. They contain vital nutrients for your soil.

9. Keep late-harvest veggies

One thing to remember about vegetable gardens is not to be too quick to clear out broccoli, Brussels sprouts and kale, because they not only tolerate a light frost, but they get a little sweeter because of it. They can sometimes be harvested well into winter.

10. Polish your gardening gear

The extra-organized gardener can wind up the season by cleaning all of his or her gardening tools and putting them away in the shed. And after that? “I would say get yourself a new gardening book and a nice cup of tea and sit down and enjoy it,” said Fornari.

A version of this article originally appeared on iVillage and was first published for TODAY on Oct. 14, 2016.