watercress planter: 20080607

There happens to be watercress growing about a quarter mile from my home. So, I decided it would be interesting to have a little of it growing close to my house. And maybe that would inspire me someday to fix a way to grow a worthwhile amount. You see, watercress, as its name suggests, needs more water than is normally available in a growing spot around the typical house, and that includes my house. And I do not want to carry water to the watercress every week or so. So I dug a hole about two feet across and about 18 inches deep where a outlet pipe from a rainspout discharges roof runoff. Put a large plastic plant container filled with earth into the hole. Since the container had holes in the bottom that would let water escape, and watercress needs to be drenched just about constantly, I put a 2 inch layer of clay in the hole before placing the pot. The clay plugs the holes in the pot so water does not drain out. After putting the pot in place, I poured a slurry of clay and water around the outside of the pot to help stop water from eventually seeping out through the holes in the pot, through the clay under the pot and perhaps up around the pot. Would have been a lot easier to hot glue the holes in the pot before putting top soil in the pot but I had it in my mind that the pot didn't have holes and did not check that until after the top soil and watercress plants had been placed in the container. Anyway, the soil in the pot does not quite fill the pot, there is 2 inches of pot above the top of the soil. When it rains, the rainwater soaks the soil in the container and the the two inches fills with water so there is enough water that the soil will stay drenched hopefully at least until the next rain. I suppose, occassionally I'll have to carry water to keep the soil in the watercress container soaked. If all goes well, perhaps there will be enough watercress in the spring time to enjoy it in a half dozen or so meals. If the watercress does well, maybe I'll use a cutting torch to cut a discarded water heater tank in half lengthwise, use one half as a large container to hold enough watercress to have, perhaps, as much watercress as I can use.

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