Start here
New to greenhouses? Read what a greenhouse really costs first, then decide between a kit and building your own. Whatever you choose, the foundation decides how long it lasts.
Planning and building
Build guideHow to build a DIY greenhouseFour ways to build a greenhouse yourself, a full 8x10 step-by-step, real material costs and when a kit is the better deal.
GuideGeodesic dome greenhousesWhat dome greenhouse kits cost, what the wind and snow ratings say, and when a dome beats a hoop house (rarely on price).
Cost guideHow much a greenhouse costsGreenhouse prices by type and size, cost per square foot, the hidden extras and what heating really costs per night.
Build guideGreenhouse foundations and basesEvery greenhouse base option compared, with step-by-step timber and paver builds, squaring, anchoring and flooring.
Growing guideWinter greenhouse guideKeep a greenhouse productive in winter: what to grow, how big a heater you need, insulation, thermal mass and safety.
Keep it at the right temperature
Most greenhouse losses come from heat, not cold: a closed greenhouse can pass 100°F on a sunny spring day. Pair the winter guides with our picks for fans and automatic vent openers and greenhouse heaters.
GearGreenhouse heatersElectric and propane greenhouse heaters, sized with the BTU formula, plus thermostats, running costs and safety.
GearGreenhouse shelvingGreenhouse shelves, staging and benches that actually fit 6-ft and 8-ft kits, with layouts, load ratings and materials.
GearGreenhouse fans and ventsExhaust fans, automatic vent openers and shade cloth, sized with the 12 CFM per sq ft rule for hobby greenhouses.