![]() Some members of the Aster Family ( Asteraceae) Parsnip loves the winter freeze and should only be harvested ten days after the first freeze – or leave them to overwinter. The Apium family has twelve popular herbs and vegetables, and the four below are happier in colder weather. ![]() Winter Vegetable Families Some Members of the Apium Family ( Apiaceae) The dates are based on the average first and last frost dates of the past decade (2010 to 2020). Regional Frost-Free Dates for Winter Garden Planningīelow is a table showing the frost-free dates for 82 US cities to help you calculate the best planting dates for your winter crops. Instead of leaving the soil naked until the first few weeks of spring after harvesting a bed, choose a cover crop like hairy vetch, crimson clover, or alfalfa. Trees help protect from wind, and higher areas are protected from temperature inversion when the coldest air flows to the lowest places.Ī cover crop helps to replenish soil nutrients, prevent erosion, and reduce weed growth. Protecting your vegetables from snow, wind, and frost is crucial by planting them in a protected spot. Establish the average first frost date, calculate your best planting date, and start the process. I recommend planting seedlings and seeds for a winter garden 6 to 8 weeks before a regional average first frost date. Your winter garden is a continuation of your fall garden, so you should start planting late in the fall. Acclimatize the seedling to colder conditions by hardening it off – a gradual exposure to a colder environment. Gardening success depends on precise timing, and the seeds will grow more quickly if they are started indoors in trays. Raised beds are perfect for cold temperatures, provide excellent drainage and lift garden beds away from the lower frost zones. Soil temperatures can be manipulated by alternating between darker material coverings during the day and lighter-colored materials at night.Ĭombining this practice with raised beds allows the soil to retain heat better. Raise Bed Temperatures by Optimizing Shades of Greyĭarker colors absorb a broader light spectrum, while lighter colors reflect light. In addition to winter vegetables, a greenhouse can cultivate warm-weather crops such as beans, cucumber, and summer and winter squashes. Consider the benefits of a greenhouse, hoop house, or cold frame if you live in an area with bitterly cold temperatures.Ī cold frame traps higher day temperatures and shields your vegetables from chilly nighttime temperatures and brisk winter winds.Ī greenhouse is a larger structure that works on similar principles, guaranteeing a frost-free climate and enabling you to grow vegetables all year. You can grow successful winter plants depending on your environment and where you live. Below is a table of the USDA Hardiness Zones and their respective minimum temperatures in Fahrenheit and Celsius. Some winters in polar regions only offer partial winter light, while those near the equator have minimal climatic changes.įirst, you need to establish in which Hardiness Zone you live and your minimum temperatures. Winter is a relative term and depends on where you live. 11 Winter Vegetables from Five Plant Families.Some Members of the Goosefoot Family (Chenopodiaceae).Some members of the Aster Family (Asteraceae). ![]() Some Members of the Apium Family (Apiaceae). ![]() Regional Frost-Free Dates for Winter Garden Planning.Raise Bed Temperatures by Optimizing Shades of Grey.Brassicaceae (Brassica or Cabbage Family). ![]()
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