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Plant these Fall Veggies to Get the Most from Your Garden and Extend the Harvest!

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Planting cool weather crops can allow you to harvest fresh produce into the winter in milder climates. Give these fall vegetables a try to extend your garden season!

cabbage growing in a garden

We may not get the milder summers and fall beauty that northern climates have, but here in zone 8, we do get to grow some vegetables right on into winter. There are some greens and root crops that do well – even tasting better- after our lighter freezes (28-32 degrees F). But then there are some that really just turn to mush and are inedible.

Most fall vegetables, even the cold-hardy varieties, would do well to be covered at temperatures below 25 degrees. So what is it that makes one vegetable withstand a freeze and another not so much? And which fall vegetables can tolerate the mild frosts and freezes?

green a purple kale growing in a garden

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Cool weather crops

To answer the first question, it really comes down to the sugar content of a vegetable. As the temperatures drop, the water in the cells expands as it begins to turn to ice. Eventually, when the freezing point hits, the cell walls burst and frost or freeze damage is incurred.

Cold-hardy vegetables and vegetable varieties are often higher in sugars than their counterparts. Sugar water freezes at a lower temperature than regular water, allowing the cell walls of the higher-sugar vegetables to stay intact. You may notice, too, that during a slow cool down of fall and into winter, vegetables get sweeter over time, thereby giving them a high cold-tolerance as winter sets in.

Related: Partial Shade Vegetables for a Successful Harvest

buckwheat and kale growing in a garden

Related: Fast Vegetable Crops for a Late Start Garden

Planning ahead with cool season crops

Planting these cool weather crops long before the onslaught of light freezes really helps. Mature plants seem to tolerate the cold better than immature plants. And, because moisture holds heat, nights of high-humidity or precipitation tend to be safer for fall vegetables than the cold, dry, windy nights.

Related: 5 Gardening Strategies to use During a Cold Spring

cabbage, top; beets, bottom

Cool season vegetables to consider

First of all, when looking for seed, seek out the most cold-hardy varieties of any of these cool season vegetable crops. Secondly, stick with greens and roots. Fruiting plants like tomatoes, squash, pumpkins, and peppers will keel over as soon as a frost hits.


  • Brussels Sprouts
  • Kale
  • Arugula
  • Broccoli
  • Mustard
  • Spinach
  • Tatsoi – This mustard variety can be found hardy down to 15 F!
  • Cabbage – Chinese cabbage is often more cold-hardy than green and red cabbages.
  • Collards


  • Beets
  • Turnips
  • Parsnips
  • Radish
  • Carrots
  • Leeks

All of the above cool weather crops often survive right through to spring in a milder climate such as ours. However, when night-time temperatures are set to drop below freezing, we often cover the more vulnerable fall vegetables like lettuce, cauliflower, beets etc. with blankets or row covers.

blankets and sheets on brown grass, extending the growing season for fall vegetables

Related: Survival Garden: Growing Starchy Crops for a Calorie Dense Harvest

Over-Wintered Foods

One more option for growing food into beyond the cool season and right into winter is over-wintering crops. These are things that withstand the cold and might give you small harvests during the cold winter but will surely come to life in spring and deliver. The most common of these are garlic and onions but we have also done fava beans and greens with great results.

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Meet the Author

Shannon Stonger

Shannon Stonger is the founder of the blog Nourishing Days, where she shares her family's journey towards sustainability. She is the author of The Doable Off-Grid Homestead, Traditionally Fermented Foods, and the sourdough baking book 100% Rye. She holds a bachelor's degree in chemistry and lives with her husband, five children, and various farm animals on their five-acre homestead in Texas.

3 comments… add one
  • Pam Aug 22, 2020, 2:19 pm

    The worms infested my broccoli and cabbage this summer. Does that happen in the fall?

    • Kris Bordessa Aug 28, 2020, 7:34 am

      Do you have a local cooperative extension office? They’d be able to tell you what times of year are most problematic for cabbage worms.

  • Alice Marie Nov 11, 2019, 2:30 am

    Thanks for posting this. We’re getting a hard freeze tomorrow night . I’ll be sure to cover my kale and swiss chard. Next year I’ll use your list to plant even more varieties.

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