![]() Box 1” deck screws (to create the three box shelves).Smaller can of water resistant black paint.Four heavy duty swivel castors if you want it to roll, the blocks can be the feet.Four 1ft long 2”x4” for the feet or a mount for wheels to connect to.Four 4ft grow light fixtures or 4 ft LED lights.Eight small simple hooks (to hang the grow lights).One 4ft long 1ft 4in back for the underside of the top shelf.Six shelf edges (left and right side of each shelf) 23 & ¼ inch 1×4 boards.Two 1ft x 4ft ¾ or ½ inch plywood backers for the bottom shelves.Four 5ft to 5ft 6in 2x4s (vertical supports).Four ¾ plywood 2ft by 4ft (bottom of the shelves).Having the entire unit on wheels helps you align it to the sun and move it where you need it. The 4 foot grow lights need small chains so you can raise or lower the lights. The top shelf could be used for supplies or plants if it's in a sun room or brightly lit area. ![]() The two lower shelves can have four standard 22”x11” black seed trays, so you can start a total of 8 seed trays under the grow lights. The end result is a seed starting shelving unit that is 4ft 3 inches wide and about 5ft 6inches tall. Materials for Simple Seed Starting Shelves Once the seedlings get bigger, they graduate to the greenhouse or cold frame, and then are hardened off (gently exposed to the elements over several days) and planted out into the garden. I pair it up with a fan on a timer, to help keep the seedlings sturdy, and I also use a timer to turn the grow lights off at night. These garden shelves are a great addition, IF you have room for it in your greenhouse, sun room or very well lit room.Ĭross supports and water proof paint make it sturdy and durable. If you use standard 22″x11″ nursery trays with 72 cells per tray, there's room for 576 seedlings under the grow lights, plus an extra 288 seedlings on the top shelf. Mounting casters on the bottom makes it a snap to move – even from one house to another. The lights are suspended from chains on hooks, so they can easily be adjusted up or down.
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