This document explains how to build a low-cost hoop house, of the design developed by Tod Hanley.
Heated, mechanically vented (thermostat)
Cannon Hort Plots greenhouse: 22' x 30'
Start seedlings before last frost
Portable, in-field frost protection
Build a 17' x 100' hoop house for about $1,000
not just for cold weather
Help fall seedlings get started, or stretch spring crops' season (protect tomatoes from sunscald)
Stretch shade cloth over hoop house or mini-hoops