Garden 
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What to plant in October depends on your zone: cold-region gardeners in zones 3 to 5 plant garlic and cover crops and tuck overwintering spinach under cover, temperate zones 6 to 7 plant garlic and overwintering greens, and warm zones 8 to 11 run the full cool-season garden of lettuce, brassicas, carrots, and peas — with frost-free regions adding tomatoes and beans. October splits sharply by climate: it closes the northern season and stands as one of the best planting months in the South. Here is the crop-by-crop plan for each climate band.
We do not test or physically handle the plants and products we cover; our guidance draws on horticultural extension research and the aggregated experience in thousands of owner reviews, as explained in how we rank.
October splits the country as sharply as any month of the year. In the north and much of the temperate middle it is the closing act of the growing season — a month of garlic, cover crops, mulching, and the last overwintering greens tucked under cover, alongside the work of harvesting and storing whatever the coming hard frost will end. In the warm and frost-free South it is nearly the opposite: one of the best planting months on the calendar, with the summer heat gone, germination easy, and the full cool-season garden of lettuce, brassicas, roots, and peas going in for months of production. Garlic is October's signature crop through the temperate band, planted a few weeks before the ground freezes so roots establish without top growth. The month's other theme is protection — cold frames, low tunnels, and heavy mulch that push harvests weeks or months past the first frost. Matching the crop and the protection to how cold your winter runs is the whole game in October. Below, each climate band gets its own crop-by-crop plan, from putting the northern garden to bed to opening the southern cool season.
October planting at a glance by zone
Find your band, then read the matching section. In October the north is winding down to garlic and overwintering while the south is in full cool-season production, so the gap between zones is as wide as it gets.
| USDA zone | October focus | Key action |
|---|---|---|
| 3 to 5 (cold) | Garlic and season close | Plant garlic, cover crops; overwinter spinach under cover |
| 6 to 7 (temperate) | Garlic and overwintering | Plant garlic, overwinter greens; cold-frame crops |
| 8 to 9 (warm) | Full cool-season garden | Plant brassicas, greens, roots, peas, garlic |
| 10 to 11 (frost-free) | Prime planting | Tomatoes, beans, and the full vegetable range |
Cold regions (zones 3-5): garlic and putting the garden to bed
The northern season is essentially over outdoors, so October is about garlic for next year, protecting soil, and overwintering the hardiest greens under cover. Get garlic in before the ground freezes hard.
| Crop | Method | Notes |
|---|---|---|
| Garlic | Plant cloves 2 in. deep, then mulch | Plant early October before hard freeze |
| Overwintering spinach | Direct under cold frame/low tunnel | Survives hard freeze; harvest early spring |
| Mâche (corn salad) | Direct, ¼ in. deep | Extremely cold-hardy |
| Cover crops (winter rye) | Broadcast and rake in | Rye still germinates in cold soil |
Winter rye is the most reliable late cover crop because it germinates in cold soil. Cover any hardy greens still standing to squeeze out a few more harvests, and clear spent summer plants to reduce overwintering pests and disease. Mulch garlic well once the ground chills.
Temperate regions (zones 6-7): garlic and the overwintering garden
October is the main garlic month in zones 6 and 7, and the moment to establish crops that will carry through winter under protection.
- Garlic — the prime planting window; use large cloves and mulch after planting.
- Overwintering spinach and mâche — sow now to establish before deep cold, then harvest through winter and early spring under a low tunnel.
- Cold-frame greens — hardy lettuces, arugula, and Asian greens under cover keep producing.
- Overwintering onions — plant sets in mild parts of zone 7 for an early-summer crop.
Hardy crops planted earlier — kale, collards, carrots, leeks — keep going and sweeten in the cold. Simple covers push these harvests weeks or months later; for the frost-hardy lineup, see fall vegetables to plant.
Warm regions (zones 8-9): peak cool-season production
October is one of the best months of the year in the warm South. The heat has broken, germination is easy, and the whole cool-season garden thrives.
| Crop | Method | Days to maturity |
|---|---|---|
| Broccoli, cabbage, cauliflower | Transplant | 55 to 75 |
| Lettuce, spinach, arugula | Direct, ¼ to ½ in. deep | 30 to 50 |
| Carrots, beets, turnips | Direct, ½ in. deep | 50 to 75 |
| Peas and fava beans | Direct, 1 to 1½ in. deep | 55 to 90 |
| Garlic and onion sets | Plant now | Bulbs the following season |
Succession-sow lettuce, spinach, and radishes for a continuous supply through the mild winter. This is the region's most reliable and productive garden, so October plantings pay off well into the following months.
Frost-free regions (zones 10-11): prime planting season
In south Florida, deep south Texas, coastal southern California, and Hawaii, October is one of the best planting months of the entire year. Transplant tomatoes, peppers, and eggplant; direct-sow beans, cucumbers, and squash; and plant the full cool-season range of greens, roots, brassicas, and peas alongside them. With the summer heat behind and no frost to worry about, essentially the whole vegetable catalog can go in now for harvests through the productive winter season. October plantings of tomatoes and peppers set fruit in the mild weeks ahead, and cool-season greens, roots, and legumes come into their own as the days shorten. Succession-sowing salad crops every couple of weeks through October and November keeps a steady supply coming all winter, making these the most rewarding months of the year for frost-free gardeners.
Extending the harvest with protection
October is when season-extension gear earns its keep in cooler zones, pushing harvests weeks or months later than open ground allows. Match the protection to how cold your winter runs.
- Cold frames — carry hardy greens like spinach, mâche, and kale through hard freezes in zones 5 and up.
- Low tunnels — hoops with row cover add several degrees and keep greens producing into or through winter.
- Heavy mulch — a thick straw layer over carrots, beets, and leeks lets you harvest from frozen ground long after tops die back.
- Vent on mild days — open covers on sunny days so trapped heat does not cook the crop.
Common October planting mistakes
| Mistake | Result | Fix |
|---|---|---|
| Planting garlic too late in the north | Roots do not establish before hard freeze | Get garlic in early October in cold zones |
| Overwintering greens with no protection | Hard freeze kills unprotected plants | Use a cold frame or low tunnel |
| Leaving beds bare over winter | Erosion and nutrient loss | Sow winter rye or mulch empty beds |
| Sealing covers on sunny days | Overheated, cooked seedlings | Vent covers when the sun is out |
Harvesting and storing the last summer crops
October in cold and temperate zones is as much about bringing crops in as putting them out, because the first hard freeze can arrive any time and will end the tender crops still standing. Knowing what to rush in and what can safely wait — even benefit from the cold — is part of planning the month.
- Rescue tender crops before frost — pick the last tomatoes, peppers, winter squash, and pumpkins ahead of a hard freeze. Mature green tomatoes will ripen indoors on a counter over the following weeks.
- Leave frost-sweetened crops out — carrots, parsnips, kale, Brussels sprouts, leeks, and beets actually improve after frost, as cold triggers them to convert starches to sugars. A thick straw mulch lets you dig roots from the ground for weeks.
- Cure for storage — winter squash and pumpkins keep for months if cured in a warm, dry spot for a week or two to harden their skins; onions and garlic need drying before they store.
The distinction that matters is between crops damaged by cold and crops improved by it. Everything in the tomato and squash family is killed at 32°F and must come in, while the hardy roots and brassicas can stay in the garden as a living root cellar, mulched and pulled as needed. This is also the moment to clear spent, frost-killed plants promptly, since old vines and leaves harbor the pests and diseases that overwinter to trouble next year's garden. As beds empty, either sow a quick cover crop of winter rye or mulch the bare ground so it does not sit exposed. Handled well, October turns the end of the growing season into a well-stocked pantry and a garden set up cleanly for spring.
Related: look back at what to plant in September, ahead to what to plant in November, review the full fall planting guide, or read how we rank.