Quick and easy self watering garden planters. Cheap, reuseable, recycleable. All you need are: milk jug(s) (1 or 2 quart), scissors, planting foam (used for live flower arrangements), and potting soil.
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Step 1: Clean a 1 Quart or 1/2 Gal Milk Jug, Cut It in Half. Be Sure You're Below the Handle.
Step 2: Name This Instructable
Press the top of the jug into the "floral foam" about 1/2 to 3/4". Bend the top half of the jug to one side until the floral foam breaks - this will make a small "plug" in the bottom so the soil doesn't pour out.
Step 3: Name This Instructable
Inside the jug you'll see a ridge. This will keep the jug top above the bottom of the base, and allow water in and out. Invert the jug top with the foam inside and push into place.
Add soil, seeds water to about 1/3 full and grow! Juice jugs work too, as do water bottles (Dasani, Evian, etc), as long as there's a ridge in the bottom. They're reuseable, recycleable and free. Another benefit is that since they're flexible and their conical in shape, a little squeeze and they slide right out.