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How to start a hydroponic garden

The technique of growing plants without soil is called hydroponics. It’s simply growing plants in water. Hydroponics is not only useful. It can be fun. Clear a place on your window sill, and you too can grow vegetables, flowers and fruits.

Plants don’t need soil as long as they have five things: food, water, light, air and support. You can provide all five in a hydroponic garden.

hydroponics

What You’ll Need:

  • A small, single-stemmed houseplant. Most common houseplants will work well. Or try a vegetable plant.
  • A clear glass jar or bottle.
  • A cork stopper with a large hole in the middle.
  • Cotton waddling.
  • Plant food.

What You’ll Do

This will get messy, so go outside or spread newspapers over your work area. Carefully remove the small houseplant from its pot. Place one hand over the soil surface, with the stem between two fingers, and turn the pot upside-down. Tap the bottom of the pot while gently easing the plant out.

Step 1: Gently brush all the soil from the roots.

Step 2: Carefully thread the plant stem through the cork stopper and place the roots into the glass container filled with lukewarm tap water.

Step 3: Use the cotton wadding to fill any gaps between the plant stem and cork stopper. Be careful not to squeeze the stem.

Step 4: Move your plant to a sunny location and watch it grow!

After about a week, pour out the water and refill.

Your plant will be hungry by now, so add a general-purpose plant food according to label directions. Look for a food labeled “water soluble.” You can find it at garden centers, hardware stores or grocery stores.

Change the water and the plant food solution about once a month.

About Hydroponics

Raising plants without soil allows farmers to grow more food in less space. That’s especially important in poorer countries, where many people go hungry.

The term hydroponics was coined in 1936 by a scientist in California who planted a tomato in a tub of water. The plant grew more than 25 feet tall!

Once word got around, people were growing plants in baskets, on patios and on rooftops using only water and a little plant food.

Disney Does Science

People who have eaten at EPCOT Center in Walt Disney World have experienced hydroponics. Researchers there produce fresh tomatoes, lettuce and cucumbers from hydroponic gardens.

The National Aeronautics and Space Administration (NASA) is using hydroponics to provide fresh food for astronauts. On the frozen continent of Antarctica, scientists are testing hydroponic techniques that may be used on missions to Mars.

Many commercial growers around the world are turning to hydroponics as an alternative to traditional farming. More food can be produced, and weed problems are eliminated.

Strawberries are a popular hydroponics crop in Australia. Tomatoes, lettuce and a variety of herbs lead the way in Ontario, Canada. In the United States, cucumbers and tomatoes are grown in water.

38 Comments on How to start a hydroponic garden

  1. Some veggies work. As stated above the sweet potato works very well and makes a super long vine after a while. If you use something larger then you will not need the cork. Best of luck to all of you.

  2. mysteryscience // April 30, 2012 at 6:08 am // Reply

    What else can we use besides cork stoppers?

  3. im doing it for my science project:)$$!!

  4. This is a great idea for my science project and gardeners should do this!!!!:)

  5. cool

  6. where do you buy plant nutrients though?

  7. i’ve done it before, really works

  8. it is kantutan style

  9. Something to waste time….

  10. This isn’t really a green project unless you use organic liquid fertilizer.

  11. yourmother5 // May 26, 2011 at 12:01 pm // Reply

    all i read were the comments but it sound cool!! :DD

  12. this is so asome i am going to try it with my science partner!!!:)

  13. I think i’ll do this for my Science fair project. Cheers :D

  14. Can you grow it from a seed?

  15. supersonic // April 7, 2011 at 7:47 pm // Reply

    Looks interesting to a kid scientist.Might try it!

  16. Sweet potatoes work very well. They look great after growing for a while.

  17. I wonder what else will work insted of cork? I’m going to definetly try this.

  18. WaterGardener // June 29, 2010 at 9:42 am // Reply

    COOL!!!!!!!!!
    I just tried it! hope it works with morning glory vines…
    If you don’t have a cork a regular water bottle with a hole punched in the cap works great.

  19. The One who knows all (some dummy,actually) // April 24, 2010 at 4:02 pm // Reply

    can it grow vegetables?

  20. I’m doing this for my science project with a calla lily bulb. Can’t wait to try it out! :)

  21. I’m going to try to use a 55 gallon barrel instead of a 2 liter bottle.I hope it works!

    • i was sopposee to be looking how to create oxygen on mars and one way we thought was to grow plants without dirt on mars.

    • The One who knows all (some dummy,actually) // April 24, 2010 at 4:02 pm // Reply

      if it’s that big, you can probably put several plants in there.

  22. this is a projet im doing some thing like it.

  23. southern Beau // October 24, 2009 at 9:07 am // Reply

    I need more informstion on how to prepare container for vegetables

    • Can u give me an idea about plants growing on preaty much anything thats liquid?I’m doing a project about how plants grow on anything thats liquid.I’m in 5th grade and I need an idea.I was thinking about how I can have 3 pots,one is filled with water,one filled with coollaid and the other one is filled with milk.I would see three weeks later which one grew faster the water,the coollaid or the milk.What do u think?

  24. that’s a way to go

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