aglassorplasticbox, with atopthat can beleftopen, into whichyoungplantsare put for ashorttime,especiallyinordertohelpthemgrowfasteror toprotectthem fromcoldweather
After growth has started, place them in cold frames.
I later planted them in a cold frame in peat and practically every one of those walnut trees grew.
In winter keep them in a cold frame, and as dry as possible.
Place the seedlings in a cold frame and let them have plenty of air.
Watch for plant lice on lettuce in cold frames.
Examplesofcold frame
cold frame
New machines forcoldframeand plate bending have been invented and installed.
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Some crops suitable for growing in acoldframeinclude lettuces, parsley, salad onions, spinach, radishes and turnips etc.
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Visitors are first greeted by cold frames, raised gardens edged in bricks originally meant to grow bedding plants for transplant.
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The seed requires two to three months cold stratification and is best sown in acoldframeas early in winter as possible.
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Propagate by seed sown as soon as the seed is ripe into acoldframe.
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It is sown on the surface or lightly covered in trays on acoldframe.
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It is best sown as soon as it is harvested in autumn in acoldframe.
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The name itself exemplifies the distinction between the warm greenhouse and the unheatedcoldframe.
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This allowed seeds to be germinated in the greenhouse and then easily moved to the attachedcoldframe to be hardened-off before final planting outside.
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Sink pots in winter or store in acoldframefor insulation.
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The seeds can be grown by winter sow in vented containers set up in acoldframeor unheated greenhouse.
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Essentially, acoldframefunctions as a miniature greenhouse to extend the growing season.
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I regret that owing to the continued shortage of softwood it is not possible to relax the existing limitation on supplies of cold frames.
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The cold frames are made of concrete footings poured below the frost line.
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These include various types of row covering techniques such as using cold frames and garden fabric over crops.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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