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Before the Last Frost (7 Weeks)
This week we are talking about cold frames. A cold frame is similar to a greenhouse, except that it is only used in the cold season to help tender seedlings grow before optimum climate conditions by trapping in heat overnight. A cold frame is not climate controlled. My previous “greenhouse” was really just a large cold frame. Here is a great article explaining the two: The Differences Between a Greenhouse and a Cold Frame Our old cold frame Do you have…