Portable, Lean-To & Tunnel Greenhouses
Best Glass Lean-To Greenhouse Kits: How to Choose
Compare glass lean-to greenhouse kits for backyard growing: how to size one, plan the wall side, pick glazing and ventilation, and set up a kit safely.
Choose a greenhouse, then keep it warm, cool and covered
Side-by-side picks for portable, lean-to and tunnel greenhouses, plus the plastic, panels, heaters and fans that go with them. Start with a greenhouse type or a how-to guide.
Latest guides
Start Here: Choosing & Setting UpBest Easy-to-Assemble Greenhouse Kits: How to Choose
Easy to assemble greenhouse kits cut setup time to a weekend. See what makes assembly simple, how to site the kit, and which kits we would pick.
Portable, Lean-To & Tunnel GreenhousesBest Portable Greenhouses for Winter
The best portable greenhouse for winter adds weeks of growing time. Compare walk-in, pop-up and tabletop picks by size, cover and ventilation.
Covers, Plastic & PanelsBest Heavy-Duty Polycarbonate Greenhouses
The best heavy duty polycarbonate greenhouse for most yards is the HOOYEAH 6 x 6 FT. Compare sturdier frames, panels and sizes for wind and snow.
Portable, Lean-To & Tunnel GreenhousesBest Large Walk-In Greenhouses: How to Choose
How to choose a large walk in greenhouse: frame strength, cover grade, door and vent count, floor space and wind siting, with three tunnel picks compared.
Portable, Lean-To & Tunnel GreenhousesBest Outdoor Lean-To Greenhouses: How to Choose
How to choose lean to greenhouses for outdoors: wall placement, frame strength, cover type and shelf space, plus three models scored for real gardens.
- Portable, Lean-To & Tunnel Greenhouses
Best Small Portable Greenhouses for a Porch
The best small portable greenhouse for a porch, compared by size, cover, shelves and door style. Find a compact model for sunroom, deck or covered patio.
- Start Here: Choosing & Setting Up
Best Home Greenhouse Kits: How to Choose
How to choose the best home greenhouse kits: match frame, cover and size to your garden, weigh pop-up against polycarbonate, and plan site and setup first.
Start Here: Choosing & Setting UpBest Backyard Greenhouse Kits
The best backyard greenhouse kits compared by frame, panels, space and setup. Find the right walk-in kit for year-round growing in your yard.