Now that the growing season is in full swing I no longer need the cold frame to acclimatize seedlings, so have decided to conduct a little experiment involving peppers and eggplants. On the tall side of the frame (the back) I planted two peppers (of which are either jalapeno or lady bells, they weren't labled), a black eggplant, and an eggplant hybrid directly into the ground. The plants are spaced approximately 12-15" apart. Since we've had spectacular late spring weather these past few weeks I intend to keep the windows placed on top of the frame in a way such that they allow adequate ventilation but still help to transmit extra heat directly into the soil and the plants. Leaving the frame shut completely would surely spell disaster, as I would be unable to regulate the temperature at all and the plants would most likely get fried.
A picture of the newly planted peppers (left) and eggplants (right). As the plants grow I will probably have to remove the windows entirely to allow them to keep growing skyward, but for now they should reap the benefits of the additional heat that plants in the solanum family love so much.
There is a space between the windows about 8" wide and a strip along the entire front face of the frame to allow ventilation.
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