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Creating a Mini Greenhouse by Recycling a Plastic Bottle

Updated on June 5, 2014

Mini Greenhouse using Recycled Bottles

These bottles  fit nicely on the windowsill. and as the sapling gets bigger just pull the bottle longer.
These bottles fit nicely on the windowsill. and as the sapling gets bigger just pull the bottle longer. | Source

Little Space to Work With?

Do you want to get some seeds growing or some saplings are not quite ready for the outdoors with all the squirrels and other animals that can pull out the little treats, but you do not have much space inside? I have a couple windows in my apartment and with one window already full of my indoor plants and one window full of my cat I lack a lot of space.

I did a lot of experimentation. buying those little seed starter trays and the peat pot pellets. The trays were either too bulky or too flimsy to stand up to harassment of my cat, and the peat pots, though did a great job, once the seeds started to become saplings, they needed more height to grow.

One day I was looking at the bottles as I got them ready for the redemption center and thought They would work great for the little saplings, and would fit on the Window sill out of reach of the cat. I put dirt in one and dropped in a seed, realizing that I would not be able to get at the seed once it started to grow. I decided to cut the bottle I half and then as I go along my mini greenhouse emerged.

Mini Greenhouse-Recycled Bottle

You can use any bottle. Clean it out first of course. Any sugar left over from previous drink could hurt the seedling or sapling.
You can use any bottle. Clean it out first of course. Any sugar left over from previous drink could hurt the seedling or sapling. | Source
Cut the bottle in half with good scissors.
Cut the bottle in half with good scissors. | Source
Cut 3 slits down the sides of the bottom of the bottle.
Cut 3 slits down the sides of the bottom of the bottle. | Source
Don't cut too far down the side or you will make the bottle too flimsy, or the dirt will sift out.
Don't cut too far down the side or you will make the bottle too flimsy, or the dirt will sift out. | Source

Ingredients: Mini Greenhouse Bottle

  • 1 bottle of your choosing, I use those Fruit Water bottles
  • (Enough soil to fill 1/4 the bottle) soil (a good peat mix with perlite in it), you can usually find a seed starter mix at the store.
  • good scissors for cutting bottle, scissors that can cut easily through a plastic bottle
  • seedling or seed
  • little spray bottle, for spritzing the plant or seed, never water.

Instructions: Mini Greenhouse

  1. With your Chosen, Thoroughly washed, Plastic Bottle, (Any drink residue could harm the seed or sapling), cut the bottle in half. the bottle usually squeezes flat pretty easily while you cut. Be careful, I have had the bottle shoot out of my hand before.
  2. With the bottle cut in half cut 3 slits down the side of the bottom half of the bottle. just about an inch or 2 in length. Don't cut all the way down, the bottle will get too flimsy.
  3. Put your dirt in the bottom half. I just fill half of the bottom of the bottle (which is a quarter of the whole bottle). and spray the dirt a little with the spray bottle to dampen the dirt slightly.
  4. Place your seed or sapling into the dirt.
  5. The top half of the bottle should fit right over the bottom half. Thus the slits in the bottle to help the top slide over.
  6. Unscrew the cap off the bottle, spray down with the spray bottle, cap the bottle and place on the windowsill.
  7. As you notice the bottle has condensation on it inside. When the condensation is gone spray with the bottle again. That will maintain the consistency of moisture needed for the growth, and keep it from being over watered.
  8. As the sapling grows you can pull the two halves of the bottle apart until you are ready to plant it outside.

Mini Greenhouse-Recycled Bottle

5 stars from 1 rating of Mini Greenhouse using Recycled Bottle

Mini Greenhouse for the Windowsill

Just fill enough soil to half fill the bottom of the bottle.
Just fill enough soil to half fill the bottom of the bottle. | Source
You can then plant your seed or sapling.
You can then plant your seed or sapling. | Source
Just fit the top half of the bottle over the bottom half.
Just fit the top half of the bottle over the bottom half. | Source
Spray the sapling or seed with the spray bottle, and then cover with the bottles cap.
Spray the sapling or seed with the spray bottle, and then cover with the bottles cap. | Source

Ready to plant outside the bottle.

You will know when the seedling is ready when the top is at its full length and the roots can be seen creeping along the bottom of the bottle.

You can now either plant it into a pot or if you have a spot outside ready go ahead and plant it their. Just make sure you water it everyday for at least a month until the roots have gotten over their shock of being moved and then after that just water it whenever it looks like it needs it.

Ready to take out of the bottle

A good leaf growth and stock. When you remove the top of the bottle the leaves stretch out.
A good leaf growth and stock. When you remove the top of the bottle the leaves stretch out. | Source
The roots can be seen at the bottom of the bottle.
The roots can be seen at the bottom of the bottle. | Source

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    • Huntgoddess profile image

      Huntgoddess 3 years ago from Midwest U.S.A.

      There are many different ways to do this. Check out an army of YT videos.

      Great Hub!

    • sam leigh profile image

      Sam Leigh Davies 3 years ago from North Wales

      Love this idea! I'm sure we will be using this in school during our next 'growing' topic!

    • BrianPHussey profile image
      Author

      Brian Patrick Hussey 3 years ago from Durham, Maine

      It's kind of addicting. I keep filling my windowsill with mini greenhouses.

    • WiccanSage profile image

      Mackenzie Sage Wright 3 years ago

      That's adorable! That would make a great little science project for my son who is currently learning about plants.