A protected growing structure isn’t “set it and forget it” but a microclimate you manage. In this final episode of our greenhouse mini-series, you’ll get a practical operating manual for cold frames, low tunnels, caterpillar tunnels, high tunnels, and home greenhouses.
We’ll cover ventilation, heating and cooling strategies, watering and irrigation basics, container vs raised-bed vs in-ground considerations, pollination management, and an evidence-based approach to pest and disease control.
We’ll also tackle a topic many gardeners miss until something goes wrong: soil health under cover, including salt buildup, nutrient imbalances, and why protected soils often need a different fertility strategy than open-field beds.
Let’s dig in!
Resources:
The thermometer/hygrometer I use to monitor my greenhouse and other garden structures: https://amzn.to/4th56Ja
NRCS (USDA) — Controlling the High Tunnel Environment: https://www.nrcs.usda.gov/sites/default/files/2022-10/Controlling-High-Tunnel-Environment.pdf
Oklahoma State University Extension — The Hobby Greenhouse: https://extension.okstate.edu/fact-sheets/the-hobby-greenhouse-2
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