GreenGrow Polytunnel 19mm 3m x 2m Racking GardenThe GreenGrow Polytunnel 19mm 3m x 2m Racking Garden from Home Symphony offers a large, enclosed growing space designed to protect crops while giving you room to organise. Standing 2m high and 3m long, it creates a microclimate with higher temperatures and humidity for fruit, vegetables and other plants. The heavy duty PE cover shields plants from rain, frost, high winds and UV rays, while a galvanised 19mm frame provides rust resistant reliability.