How to build a cold frame

CUISINE & CULTURE
OLD FRAMES are used in the spring to get an early start for sowing seedlings and hardening off transplants and in the autumn for protecting crops from winter frosts. | iSTOCK PHOTO
OLD FRAMES are used in the spring to get an early start for sowing seedlings and hardening off transplants and in the autumn for protecting crops from winter frosts. | iSTOCK PHOTO

From the garden

Using frost blankets

to extend the growing season was discussed in last week’s column. Today’s column suggests cold frames as another way to extend a garden’s growing season.

The simplest cold frame is a boxed structure, much like an outdoor small, unheated greenhouse set on the ground. Cold frame sides are most often composed of wood and constructed low to the ground with hinged, tra…