Low Tunnels

Bok choy growing under low tunnels
Bok choy growing under
low tunnels

Low tunnels are made by placing plastic or fabric row covers over wire or plastic hoops and securing with clips, to lengthen the growing season for the crop and improve overall crop health and quality. Vent holes or slits allow for adequate air circulation and ventilation during warm temperatures. Low tunnels usually have a peak height of 18” to 36” from the soil surface. Sometimes called a cloche.


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