cold frame


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cold frame,

in horticulture, sun-heated board frame covered with a removable top of glass or other transparent material and sunk into the ground. The top may be solid or slatted or screened for shade. The cold frame is used to start seedlings in early spring (four to six weeks before the average frost-free date), to harden seedlings or plants removed from greenhouses or hotbeds, and to protect plants during the winter. A hotbedhotbed,
low, glass-covered frame structure for starting tender plants. It differs from a cold frame only in that the soil is heated—either artificially as by underground electric wiring or steampipes, or naturally with partially fermented stable manure, which is mixed with
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 is an artificially heated cold frame.

cold frame

Horticulture an unheated wooden frame with a glass top, used to protect young plants from the cold
References in periodicals archive ?
This position reduces unwanted north wind and the house will also radiate some warmth to the cold frame.
If you miss the autumn sowing window, seed can be sown in January in a heated greenhouse, hardening the plants off in a cold frame as growth progresses.
The cold frame can have a varied life in the garden.
But how many gardeners have decided on the back of the recent series of relatively milder winters that a cold frame is no longer needed to protect young plants during their transfer from heated greenhouse to the real world?
If you don't have a cold frame, try Brussels sprouts in a bucket.
IF a greenhouse or cold frame gets too hot, top up shading levels and regularly "damp down" the flooring by hosing it down - this is a great way to lower temperatures.
Parasene is also launching a two-tier aluminium cold frame with room for six seed trays and 34cm tall (pounds 39.
A cold frame is a hot frame (or hot bed) without the heat.
Pot up self-sown seedlings by digging them up and potting them up, placing them in a shady cold frame or on a cool, shady windowsill.
They can be sown in seed trays indoors from mid to late winter, the seedlings pricked out and placed in modular trays and then hardened off in a cold frame for planting out in mid-spring.
Next time sow presoaked seeds and germinate in a cold frame.
If possible move them on to a cold frame as a half-way-house and make sure that this too is kept well ventilated unless temperatures are likely to drop too low.