Look for terracotta in-ground water jugs. You bury it beside the plant, fill it with water and the water leaches from the jug keeping the soil moist. You can also get a product called Soil Moist that expands and holds water up to 400x it's mass. They are a kind of crystalline product. If you go the Soil Moist route do a little research. There are two types - one leaches chemicals that will get into your plant. You want the other one...

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bigsby Reviewed by bigsby on . leaving it unattended for a month started it in a peat disc "thing". ground up like 7-8 of em into a cup and that was its home. now its in the earth. i dug a hole roughly the size of a bucket. mixed the dirt from the hole with potting soil i bought at wally world. now i gotta leave in the next few days for about a month. it gets plenty of sunshine. the only problem is the dirt. shitty dirt surrounding my hole. the water table is a hundred or more feet down. its in a run-off area, near a small ravine. im thinking about burying Rating: 5