Ask a Master Gardener: Cold frames as season extenders
A season-extending cold frame can be built using an old window and salvaged wood to allow for earlier planting and harvest of many vegetables including spring greens like lettuce.
photo / Bernadette Kaufmann/Pixabay
By Andrea Knepper
Cold frames allow for the early planting of spring vegetables such as lettuce, radishes, carrots and cabbage by protecting them from frost and cold temperatures at the beginning of the season.
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