- After a light frost, begin harvesting sweetened turnips, parsnips, and other late veggies left in the ground.
- Collect and store flower bulbs—such as gladiolus, freesia, calla, and canna bulbs—after their tops have frozen.
- Water trees, shrubs, perennials, roses, and lawns before the ground freezes hard.
- Cut back tender roses to 10 to 12 inches, and remove all foliage so insects and diseases can't winter over.
- Cover tender, hybrid roses with leaves or straw to protect against winter temperature changes.
- Harvest late apples before the end of the month.
- Clean up garden debris before the first snowfall.
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- Harvest or heavily mulch the last carrots, beets, and other root crops; store them in a cool place that won't freeze.
- Plant garlic and shallots.
- Sow a cover crop of winter rye in vacant beds.
- Plant spring-blooming bulbs.
- Remember that it's still time to plant potted trees and shrubs.
- Dig up and store gladiolus and other tender corms and tubers.
- Cover tender roses and grapes.
- Thin out one-third of the oldest branches of forsythia, lilac, spirea, and potentilla for better bloom and shape next spring.
- Dig up tender tubers and corms of dahlias, cannas, caladium, and gladiolius.
- Don't cut back ornamental grasses, sunflowers, and wildflowers—leave them for winter interest and for wildlife.
- Collect leaves to shred (with a shredder or mower) and compost.
- Clean up all fallen fruits to reduce disease and pest problems.
- Work well-rotted manure or compost into asparagus beds.
- Dig up geraniums and bring them indoors for the winter.
- Pot up some paperwhite bulbs for holiday forcing.
- Squeeze in a few last sowings of spinach and other cold-hardy greens, beneath row covers or coldframes.
- Have frost protectors handy to extend the harvest of tender veggies.
- Begin cleaning up the garden.
- Compost all spent plants, shredded leaves, and the last grass clippings.
- Continue planting spring-blooming bulbs, trees, and shrubs.
- Bring zonal geraniums and vacationing houseplants indoors before the first frost.
- Thin the radishes, carrots, and turnips you sowed last month; then sprinkle the bed with 1 inch of compost.
- Dig up sweet potatoes before winter rains cause them to split and rot.
- Set out garlic cloves and continue to plant onions.
- Sow late spinach to overwinter; it will resume growing in spring.
- Clean up the blueberry patch: Prune broken or diseased limbs, and thicken the mulch with a layer of pine needles or shredded oak leaves.
- Plant more lettuce, Chinese cabbage, spinach, carrots, beets, peas, radishes, onions, turnips, garlic, shallots, and cress.
- Set out strawberry plants.
- Sow a cover crop of winter rye (Secale cereale), purple vetch (Vicia benghalensis), Austrian winter peas (Pisum arvense), or ‘Elbon' rye (Secale cereale ‘Elbon') in vacant beds.
- Use rye clippings to add nitrogen to compost, speeding the breakdown of fall leaves.
- In flowerbeds, plant anemones, oxalis, and ranunculus for spring bloom.
- Also, seed annual candytuft (Iberis umbellata) in bare spots of flowerbeds for spring bloom.
- Broadcast wildflower seeds to establish a meadow.
- Plant trees and shrubs: Warm fall temps will help them get established before winter.
- For spring bloom, broadcast wildflower seeds over soil that has been lightly cultivated.
- Plant fast-growing, frost-resistant veggies: radishes, mustard, spinach, ‘Tokyo Market' turnips, and corn salad.
- Divide and transplant bearded irises, daylilies, phlox, cannas, and Shasta daisies.
- Harvest sweet potatoes after tops wither, but before the first hard frost.
- Harvest winter squash, pumpkins, and peanuts before frost.
- Clean up fallen fruit in the orchard.
- Build a hot compost pile to kill pathogens lurking in garden debris: Use a high-nitrogen material, such as grass clippings or seafood shells.
- Set out transplants of tomatoes, peppers, and eggplants.
- Mulch and water well—dry spells this month can last a week or longer.
- Finish pruning fruit trees so new sprouts can harden before cold arrives.
- Plant colorful bloomers, such as sweet alyssum, begonias, petunias, and pansies.
- Prepare beds for planting roses; plant them late this month.
- Fertilize plants that flower in winter.
- Plant strawberries and brassicas (except brussels sprouts—it's too warm) early in the month.
- In midmonth, direct-seed root crops and beans.
- Near the end of the month, sow lettuce, spinach, and other greens.