Vegetables
Intermediate
Article

Winterkill Temperatures for Vegetable Crops (My Evolving List)

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Dec 16, 2025, 05:56 AM
A pile of different types of vegetables on a white surface
Photo: Unsplash - Randy Fath

About This Resource

The article provides a detailed overview of winterkill temperatures for various vegetable crops, based on personal observations from gardening in a specific microclimate in Central Oregon. It outlines the temperatures at which different vegetables can survive without protection, emphasizing the variability based on regional climates and specific plant varieties. The author shares insights on factors that influence plant hardiness, such as leaf texture, plant density, and the impact of humidity and snow cover. This evolving list serves as a practical guide for gardeners looking to understand which vegetables can withstand winter conditions in their own gardens. Readers can apply this knowledge to better protect their crops during the colder months, enhancing their winter gardening success.

Key takeaways

What to know before you act on this, from the SteadScape editors.

  • Identify your hardiness zone and track local winter lows to determine which vegetables can survive without protection, especially if temperatures drop below 25°F.
  • Consider planting savoy varieties of kale and chard, which can tolerate temperatures as low as 5°F, compared to their smooth-leaved counterparts.
  • Use row covers to increase humidity and protect plants from desiccation, particularly when temperatures are expected to drop below 20°F.
  • Monitor soil moisture levels throughout winter, as dry conditions can lead to winterkill even at temperatures that are typically survivable for certain crops.
Best for
Intermediate gardeners in colder climates; plan in late fall before winter sets in.
Pairs with
Garden Planner for your zone and frost dates.

Source Information

Domain: gardenbetty.com

Summary and key takeaways written by SteadScape. How we choose resources

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