cold frame


Definition of cold frame

: a usually glass- or plastic-covered frame without artificial heat used to protect plants and seedlings outdoors

Illustration of cold frame

Illustration of cold frame

Examples of cold frame in a Sentence

Recent Examples on the Web The cold frame acts like a mini greenhouse and keeps the vegetables from freezing. Judy Hake,, "The Late Bloomer: Growing food and when to plant," 20 Mar. 2021 But an unheated greenhouse or cold frame structure will lose heat quickly at night. oregonlive, "Need tips for raspberry cane care? As an expert," 29 Aug. 2020 Plant onion seeds four to six weeks before the last average frost — or even earlier indoors or in a cold frame. The Editors, Good Housekeeping, "A Practical Guide for Growing Every Type of Onion," 21 May 2020 Just be aware that tomatoes, cucumbers and most squashes really do best in a greenhouse or cold frame. Jeff Lowenfels, Anchorage Daily News, "Want to grow your own food? Here are the easiest vegetables to cultivate in Alaska.," 16 Apr. 2020 Follow directions for how each seed needs to be planted, then water and place in a sunny window, near a warm source of heat, or in a cold frame. Trace Barnett, al, "Expert tips for creating a pollinator garden at home," 28 Apr. 2020 This is the main reason why soil warming techniques such as cold frames or clear plastic mulch and greenhouses were traditionally mandated for growing them here. Jeff Lowenfels, Anchorage Daily News, "Here’s why a soil thermometer is a must for your Alaska garden this year," 24 Jan. 2020 Sow warm-weather plants like nightshades and cucurbits indoors for transplanting in May. Transplant aster, viola, zinnia, marigold, and delphinium from cold frames to beds. Heather Arndt Anderson, Sunset Magazine, "Your Ultimate Spring Gardening To-Do List for March and April," 16 Mar. 2020 Your extra energy can be funneled into constructive activities such as clearing out the garage or building cold frames for the garden. Tribune Content Agency, oregonlive, "Horoscope for Oct. 19, 2019: Taurus, enjoy the freedom to come and go; Capricorn, make time for you," 19 Oct. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cold frame.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of cold frame

1851, in the meaning defined above

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Time Traveler for cold frame

Time Traveler

The first known use of cold frame was in 1851

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Statistics for cold frame

Last Updated

29 Mar 2021

Cite this Entry

“Cold frame.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2021.

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More Definitions for cold frame

cold frame


English Language Learners Definition of cold frame

: a small wooden or metal frame covered with glass or plastic that is used for growing and protecting plants in cold weather

More from Merriam-Webster on cold frame

Thesaurus: All synonyms and antonyms for cold frame Encyclopedia article about cold frame

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