intro: Large Self-Watering Planter (all salvaged materials) + rain water storageI wanted a vegetable garden, but I don't have a yard. Or much money.
I was inspired partly by a book lent to me by the first person I ever went out on a date with(almost a year ago already!) and partly by the container gardening class I was brought to on Valentine's day by a different date.When I first jumped into this new experience of dating I wasn't sure what to expect - but rainwater collection was surely no where in my mind as even the remotestpossibility.
We actually don't pay for water in the trailer park, (its included in the rent) and RVs use very little water anyway by their nature.On the other hand, CA is in a drought (again), one never knows when the next earthquake (or revolution perhaps?) might cut off the municipal supply, and I wanted tostart gardening without increasing how much water I used.
Image Notes1. the finished garden2. my RV trailer home
step 1: Rainwater collection system on my RV trailer(Most of you probably live in houses instead of RVs, so you can skip all this and just tap into the existing rain gutters)
Since the trailer doesn't really have gutters, I started by applying a thick bead of silicone around the perimeter of the roof, except above the slide and the awning, so thatthe water will flow to those areas. More silicone on one side of the slideout section, and the awning drains to one side because of how it is tilted.
I built the spouts from layers of aluminum tape so I could shape it precisely the way I needed.[picture 1]The tape feeds into a funnel (mesh covered to keep out the crap), which goes into PVC pipe.[picture 2]On the slide side its basically just a long piece of straight pipe.[pic 3]The awning side was more of a challenge as it has to go around a number of various corners and through narrow spaces to get to the storage barrel on the other side ofthe house.[pic 4]Instead of trying to measure and cut and join a whole bunch of short plastic pieces, I used flexible aluminum dryer vent.[5]Three lengths together made the perfect length. It's supported with a bunch of random stuff, bungees, [6] rope, [7] metal bars, [8] and blocks of wood, taken from mycabinets, shed and scrap pile.
After the first little rain the dryer vent drooped in 2 spots, and I added and redistributed the support. [9]
At the end [10] an extra large funnel collects water from both sides [11], and drains into a 55 gallon water barrel. [12]
The barrel is used, but thoroughly cleaned and pressure tested, and was purchased locally by a company which specializes in second hand barrels, only about 5 milesfrom my house. A 55 gallon with a removable top (for adding a spout, and cleaning if it becomes necessary some day) cost me all of $20 (even). They didn't have a spoutkit - they said they could order one from the warehouse; but I figured I could get something from the hardware store. The book had warned me I wouldn't be able to, and Ishould have listened. I ended up ordering one online.
Waiting for it to show up gave me an excuse to be lazy and not work on the system, and fortunately for most of that time it was dry anyway (I did miss some rain, whichwas rather tragic, but what can you do?).
I finished it just in time for the season's last rain, making it the first time in my life that raining actually made me happy.:-)
Image Notes1. broom stick handle keeps water from pooling in the hose
Image Notes1. behind the house. dryer vent is supported by aluminum rod which originally heldup the roof mounted TV antenna
Image Notes1. pvc drain pipe from this side of the roof2. dryer vent drain pipe from the awning on the other side3. city water and electric connections for the house
step 2: The Self-Watering Planter BoxI built the planter entirely out of scrap wood I had saved from past hauling jobs.
There was nothing particularly fancy about the design.Long straight flat piece of wood, screwed into an upright piece of 2x4, shorter flat piece screwed into the 2x4 at 90 degrees from the first one. Just a plain rectangular box,with no bottom.
I made 2 layers of wood on each side, for strength and stability. Some of the scrap wood wasn't wide enough, so I used two boards, top and bottom, [on the short sides,picture 2]. I put on some particle board shelves on the outside [on the long side, picture 3] cause they look better than the scrap wood I had.
(The half barrel in the pictures is from a hauling job; it is not in use yet.)
I lined the bottom with old carpet (also from a dump run) to protect the plastic which goes above it (the plastic left over from a furniture move done in the rain). [pic 4]Then an old blanket on top, both to protect the plastic and to aid in water wicking.
I placed some pieces of broken concrete as supports, and on top of that a sheet of peg board, which elevates the soil above the water reservoir but still has gooddrainage.The theory of a self-watering system is that the water below is accessible (via soil wicking) because the soil in some spots dips into the reservoir, but it does not saturatethe soil or plants because the majority of the soil is out of the water. In this way it simulates ground water and keeps the soil just slightly damp at all times, but neversoggy.
In my system the peg board does not fill the whole planter, so the central area is above the water, but the soil on both sides can reach down into the water pool. [5]
The mesh keeps the soil from getting into the reservoir. [6] it is held in place temporarily with duct tape, but the weight of the soil itself should hold it in place once it is in.
NOTE: In a proper, traditional self-watering system there should be an overflow port and a fill tube. I was aware of this when I built mine, but didn't bother. I figured I couldalways add them in later if need be, and i was lazy. So far, as you can see in the last pictures, the plants have been doing fantastic with my extremely haphazard way ofwatering: Every once in a while (maybe once a week) I feel an inch or two into the soil. If it feels dry, I add water from the barrel for some more or less random amount oftime, (usually until I happen to remember I left it running).
Image Notes1. place where planter will go2. rain barrel from last step
Image Notes1. currently unused wine barrel2. two boards one above the other cause I didn't have one wide enough3. corner support
Image Notes1. particle board facade2. to the inside you can see the ugly old scrap wood which provides the actualstructure3. cordless drill and jigsaw4. my bedroom
Image Notes1. old random pieces of carpet2. upright 2x4 corner support
Image Notes1. peg board2. plastic liner3. old ratty blanket, to protect the plastic liner
Image Notes1. peg board, supported by random pieces of broken concrete2. plastic mesh3. duct tape4. water
step 3: The GardenI found slightly used (one season) potting soil on Craigslist in Oakland for free. Potting soil wicks water better, and so is recommended in self-watering systems. In theorythe system uses less water, requires less maintenance and regulation, and produces healthier plants.Being my first attempt ever to grow food, I consider this season practice.
The first thing I planted was a potato. It was originally meant for eating, but it went bad, so I threw it in the compost. Later I noticed stems pushing their way around theplastic cover, and lo and behold the "bad" potato was sprouting. So maybe now I will get a good potato out of it.My neighbor who gardens had told me even before I built the planter that she had a tomato plant for me. She also gave me a tomato stake; which, incidentally, I hadgiven her about a year ago, having gotten it in a dump run and having no use for it at the time. Apparently she took a couple more than she really needed back then.She also shared some lettuce seeds and a bean plant.
[Initial planting, pics 1-4]
Later I discovered something else spouting in my compost pile. I have no idea what it is, but I figure if it was there it was probably something I was eating, so I planted it.Up until this point I had spent nothing on my garden (except for the materials for the rain collection), but it was getting late in the season and I finally purchased a fewplants from the farmer's market (I got a discount because I work at the market myself).I got strawberries, and an onion. I also planted a few tiny carrots a neighbor gave me. She intended them to be eaten, but they still had the tops on, so I wanted to know ifthey might get any bigger. After a few days the tops had wilted and I forgot about them under the mulch. A couple weeks after that they had popped back up bigger thanever!Most recently I planted the seeds of some grapes I bought at the market, but have yet to see if they will sprout.
The neighborhood cats think the garden is an excellent toilet, but by a fortunate coincidence I happened to get a motion activated sprinkler head in one of my hauling jobsrecently, and that has completely solved that problem.
It has been a little over 2 months since I first planted and the rain barrel is almost, but not quite, empty. (I also use the same barrel to water my potted (non-food) nativeplants at the front of the house).
Image Notes1. tomato plant growing out of control!
Image Notes1. tomato2. lettuce3. motion activated sprinkler4. carrots5. some sort of speckled red bean6. potato7. ?? no idea. found it growing in the compost bin8. green onion9. strawberry10. empty space. haven't decided what else I want yet
step 4: Success! Proof that you don't have to have any idea what you're doing to grow your own foodAt this point the lettuce is growing in faster than I can harvest it, the beans are ready to be picked, the strawberry (the most recent thing I planted) is already blossoming,and I found 3 small tomatoes this morningEverything is growing much faster than expected, but they all seem to be sharing the space with each other very politely.
Today I did some harvesting and actually cooked a meal based on food I grew myself.Of course this is a normal part of life for a lot of people, but for someone who has lived in big cities his whole life, it feels pretty amazing.
I will try to update this page as things keep growing.
Image Notes1. Proof that you don't have to have any idea what you're doing to grow your ownfood
Image Notes1. One of my first tomatoes
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jwaterfallguy says: Jul 31, 2009. 11:18 AM REPLYVery Cool! I really dig how everything is made from salvaged materials. Come join our rainwater harvesting community. Can you re-post this onwww.waterharvestonine.com? There are lots of people who would really appreciate this!
ChrysN says: Jul 18, 2009. 7:38 PM REPLYThis is a cool set up. Your plants sure look happy!
