Woodworker's Journal 2008-32-3, страница 47

Fold-up Greenhouse

By Lars Dalsgaard

This easy-to-build project lets you pick fresh vegetables and herbs for more months of the year — and it breaks down for easy storage when winter arrives.

Greenhouses are great for starting plants earlier in spring and extending your growing season in fall. Unfortunately, they normally take up lots of precious yard space, can't be disassembled or moved easily and are often difficult and expensive to build. Not so with this design. It measures only 4x4 feet, disassembles in minutes with wingnuts and can be built in a weekend for less than $300. Although this greenhouse is small, it can be used to start an entire

garden's worth of seedlings or grow a year's supply of herbs. I use mine for tomatoes and cucumbers — plants that are tough to grow outside in our short, cool Denmark summers.

Building the Roof and Wall Panels

I used 1" x 4" pine for building the wall panels. Rip 6-ft. lengths to obtain all the long verticals (pieces 5 and 6), cross braces (pieces 7), door and door frame (pieces 8 and 9) and roof framing (pieces 14 and 15). Break all sharp edges with 120-grit

sandpaper, removing any splinters. Then cut to the lengths specified in the Material List, page 49. Next, cut all the horizontal framing members, including pieces 1 and 2. Rough-cut pieces 3, 4,10,11,12 and 13, making them all an inch or two long. It's easiest to take exact measurements for these parts, and make final cuts, during assembly.

Assemble the two sidewalls and back wall (all three are identical) using galvanized screws and mending plates. For the front wall,

Your greenhouse will last a lot longer if you disassemble it at the end of the growing season and store it in a garden shed or garage. The walls and roof panels are hinged in pairs, so once construction is complete, there are only three assemblies plus the platform.

Hang your plants on metal cables or long hooks. A long catch holds the door open for better ventilation on hot days.

Woodworker's Journal June 2008

47