Harvesting In Winter: When To Pick Winter Vegetables (2024)

If you live in a warm climate, a winter vegetable harvest may not seem like a big deal. For cold-climate gardeners, however, growing winter crops is a dream come true. With the use of cold frames and tunnels, harvesting in winter is possible even if you live in an area with below-freezing winter temperatures and snow cover.

Growing Winter Harvest Plants

The keys to harvesting in winter are choosing cool-season crops, planting at the correct time, and choosing the correct season-extenders for your climate. Some crops, like Brussels sprouts, can be planted in late summer and held over in high tunnels for an extended harvest period.

Low tunnels and cold frames can provide adequate protection in moderate climates to allow harvesting in winter or they can be used to extend the harvest season in cold climates. During cold weather, low tunnels can be covered with polyethylene film to help retain heat.

When to Pick Winter Vegetables

Protection from freezing temperatures is not the only issue gardeners wishing to grow winter crops will face. Decreased daylight hours during the winter months will slow or halt plant growth. In order to have a successful winter vegetable harvest, most crops will need to be at or near their mature dates when daylight hours drop to ten or less per day.

The days when there are ten or less hours of sunlight is called the Persephone period. Gardeners can use the Persephone period for their area to determine when to pick winter vegetables. Planting times are then calculated by counting back the days and weeks from the harvest date.

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Planning for a Winter Vegetable Harvest

Here's how to calculate the planting and harvest dates for winter crops in your area:

  • First determine your Persephone period. You can do this by looking up the sunrise and sunset dates for your area. The Persephone period begins when the day length drops to ten hours in the fall and ends when day length returns to ten hours per day in late winter.
  • Decide when to pick winter vegetables based on the Persephone period. Ideally, your crops will be near or at their maturity date at the start of the Persephone period. The cool temperatures and low daylight hours will hold many crops in a semi-dormant state. This can extend harvest time throughout the Persephone period. (Once daylight returns to ten plus hours per day, cool season crops are prone to bolting.)
  • Using the days to maturity for your desired crop, count backwards from the start of the Persephone period. (You may wish to add two weeks to account for slower growth in the fall.) This calendar date marks the last safe planting day for a successful winter vegetable harvest.

Best Winter Crops

To harvest during the winter months, try growing one or more of these cool-season vegetables in a tunnel or cold frame:

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Harvesting In Winter: When To Pick Winter Vegetables (2024)

FAQs

Harvesting In Winter: When To Pick Winter Vegetables? ›

In order to have a successful winter vegetable harvest, most crops will need to be at or near their mature dates when daylight hours drop to ten or less per day. The days when there are ten or less hours of sunlight is called the Persephone period.

Should you pick vegetables before frost? ›

Till the vegetable garden just before a hard freeze to expose insects that have burrowed into soil for winter. Pick remaining peppers and any green tomatoes you plan to ripen indoors. Harvest pumpkins and winter squash before frost. Leave a 1-2-inch stem if you intend to store for winter.

Should you harvest before or after frost? ›

To play it safe, you should harvest after a deep freeze – but as it is a cold-weather plant, frost will improve its flavor until that time comes.

When should I pick my vegetables? ›

Almost all vegetables are best when harvested early in the morning. Overnight, vegetables regain moisture that they lost during the day, and starches formed during the day may be converted to sugars during the evening. These traits make morning-harvested produce crisper, juicier, and sweeter.

When should I pull up my vegetable plants? ›

When kale and collard greens, spinach, broccoli, brussel sprouts, lettuces, carrots, beets, onions, radishes, bananas, cilantro, for example, go to flower it is time for them to go. Unless, of course, the plant is in good health and you are saving seed. Then, pull the plant after after you have harvested the seeds.

What vegetables will be killed by frost? ›

In general, a frost (31-33 degrees F.) will kill beans, cantaloupe, corn, cucumbers, eggplant, okra, peas, pepper, potatoes, sweet potatoes, squash, tomatoes, and watermelon.

Should you pick tomatoes before or after frost? ›

Just before the first frost, remove all mature, greenish white fruit from the vines. They should be solid, firm, and free of defects.

Can I harvest after frost? ›

Root crops like carrots, turnips, beets, rutabagas and parsnips can remain in the garden after a frost and still be removed in good condition later, but get them dug and stored before the ground freezes.

Is it better to harvest too early or too late? ›

It depends on the effects you're looking for. Early harvests provide a more energetic high, peak harvests offer a balanced high, and late harvests deliver a more relaxing and sedative effect.

How do you harvest in the winter? ›

The keys to harvesting in winter are choosing cool-season crops, planting at the correct time, and choosing the correct season-extenders for your climate. Some crops, like Brussels sprouts, can be planted in late summer and held over in high tunnels for an extended harvest period.

When to harvest vegetables chart? ›

Vegetable Harvest Guide
VegetableDays to MaturitySize
VegetablePeas, Garden (Shell)Days to Maturity55-85Size3 long pods
VegetablePeppers, HotDays to Maturity60-90*Size1 to 3 long
VegetablePeppers, SweetDays to Maturity70-90*Size2 to 4 in diameter
VegetablePotatoDays to Maturity90-120Sizevaries with cultivar
35 more rows

What are the 5 signs that crops are ready for harvest? ›

2.1 Harvest handling
  • Skin colour: This factor is commonly applied to fruits, since skin colour changes as fruit ripens or matures. ...
  • Optical methods: Light transmission properties can be used to measure the degree of maturity of fruits. ...
  • Shape: ...
  • Size: ...
  • Aroma: ...
  • Fruit opening: ...
  • Leaf changes: ...
  • Abscission:

What to do with a vegetable garden at the end of season? ›

Fall cleanup in vegetable gardens
  1. Get your soil tested. If you haven't had your soil tested in the last three years, this is a great first step. ...
  2. Remove healthy plant material and add it to your compost pile. ...
  3. Add mulch or compost to your soil. ...
  4. Consider planting a cover crop.
Oct 10, 2016

Should I till my vegetable garden in the fall? ›

Fall is another perfect time to till as the soil is still fairly dry. Use this time to get ready for the upcoming planting season and mix compost, aged manure, decomposed leaves, and other soil amendments into your beds.

Should I cover my raised beds with plastic in winter? ›

The answer is, yes, depending on what plants you have. If you live in an area where snow falls in winter, many experts recommend covering your garden bed with thick coverings or plastic to protect sensitive plants from potential damage.

Should carrots be pulled before frost? ›

Carrots intended for storage should be harvested when the carrot tips are full and the flavor is well-developed. Fall storage carrots are harvested after a few light frosts but before a hard frost, while they can still be easily dug. A hard frost will damage any portion of the plants above the soil surface.

Can vegetable plants survive 40 degree weather? ›

Frost Hardy

Root crops develop more sugars when the soil temperature is below 40 degrees Fahrenheit; and Brussels sprouts are often best after a light freeze. Among the hardiest vegetables are cole crops, which can tolerate moderate freezes (24 to 28 degrees Fahrenheit) : Broccoli, cauliflower (26 degrees Fahrenheit)

What to do in the garden before the first frost? ›

How to prepare your garden for winter before the first frost
  1. Pull up dying plants. ...
  2. Pare your perennials. ...
  3. Remove slimy leaves. ...
  4. Keep pretty plants standing. ...
  5. Cover up with compost. ...
  6. Don't jump the gun with winter protection. ...
  7. Plant your spring-flowering bulbs. ...
  8. Conserve your greenery.

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