Instructables
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I saw how others were growing tomatoes upside-down in soda bottles. That gave me the idea of using soda bottles to grow other vegetables right-side-up that like to climb supports. Growing peas this way seemed like a good idea.  The supporting lines for the bottles would support the growth of the peas. So start digging out those bottles from your recycling bin and lets get to work.
 
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Step 3: Make a hole in the cap

Picture of Make a hole in the cap
You will also need a hole in the cap for drainage.  I used a 3/16 drill bit to bore a hole in the cap.  I then used a reamer to adjust the hole big enough to accept plastic tubing for drainage (optional, see next step).

Step 4: Add tubing

If you are hanging the bottle on a porch rail, you may want to add a short piece of tubing to divert drainage off to the side like I did.

Step 7: Add soil

Picture of Add soil
Before filling the bottle with garden soil, place some Perlite or pebbles at the bottom for drainage. Fill with soil such as Miracle Grow or Supersoil.  You can add Perlite to help lighten the mix and add extra drainage.
bazalaz11 months ago
Great hanging garden! I have an idea. Search "Hempy Buckets". Basically prepare the bottle as you did however, instead of drilling the cap, leave it on. Melt a hole in the bottle 4" to 5" from the cap. Fill the bottle with rinsed perelite (spelling)? or plain pea gravel. The bottom acts as a res. if you mix in some vermiculite it will need less frequent watering. Water with any hydroponic product that has micro-nutrients included. ie General Hydroponics Maxi Grow Maxi Bloom series. Great Instructable! Thanks for sharing
pravs2k2 years ago

I stitched little coloful bags with the top and bottom open but with draw strings and pushed the bottle in upside down. The lid has a couple of holes in some;some have no holes but have a few small pebbles at the bottom.The strings at the top function as handles which are tied to the balcony railing.The bottom drawstring is pulled tight round the neck of the bottle and forms a frill.The bags are ten inches long and fits round the bottle snuggly. I also decoupaged two which hang one on top of the other.I water only the top one.The plants in both are doing well- have had them for almost a year.My railing looks very bright and colorful .
botronics (author)  pravs2k2 years ago
Can you send us a photo?
soda bottle garden - pictures
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pravs2k2 years ago
Am sending the pictures-hope it works this time.Please let me know if it does not work.Tried once earlier today.Don't know if you got them.
Totysheep4 years ago
Awesome instructable by the way! Why didn't I think of this??? I'm always looking for ways to plant my own veggies. Nice job!!!
I put my sodabottles on the ground and used the bars to tie up my tomatoes last year!! Thank you so much for the inspiration!
tim_n4 years ago
You could always run the excess water tubes to the bottom into a reservoir to conserve water and have a small pump on a switch to pump the excess back to the top again (perhaps on a timer?)  perhaps outside the scope of this project!
Totysheep tim_n4 years ago
Or you could let the water drip down into another planter under the hanging ones! That's how my mom used to water her plants :p
botronics (author)  tim_n4 years ago
I'm a little afraid of salts build up if I recycle water.  I am using Miracid to feed the plants. I hear that tomatoes are an acid loving plant.