How to Grow Plants Using Hydroponics



  1. Do not go overboard buying hydroponics supplies that they may need in the future but will not need in the beginning stages of hydroponic gardening.To begin your hydroponic gardening project you will only need a few things to get you off to a great start. Many of the items you need for hydroponics can already be found around your house so you can save money before you go full tilt into this hobby or found all together in a hydroponic garden.
  2. Create a dedicated area for their gardening.Most newbie gardeners can either purchase an easy to install grow room or build a greenhouse outside of their home. Small grow rooms for the beginning hydroponic gardener are usually slightly larger than a closet and can be completely installed in under an hour. The cost ranges from several hundred dollars to over 0, depending on the add-ons that you think you will need.
  3. Get the right hydroponic supplies.A small greenhouse can cost considerably more because you will need to either include a cement floor and drainage system or lay other types of flooring such as gravel before you build the greenhouse itself. Many small greenhouses cost anywhere from 0 to over several thousand dollars, depending on the add-ons you choose.
    • The basic items you need after you decide on either a grow room or greenhouse include a temperature control unit, exhaust fan, heating mats, light fixtures for your blue and red spectrum lights, an aeration system (an aquarium system works well for small gardens), pearlite, marble and Styrofoam work well as a beginning medium and rockwool, oasis or Rapid Rooters. Typical beginning tables for your plants include plastic tubs, a child’s swimming pool or fish tank. A gardener can also buy any of the items they need for their grow room from stores specializing inhydroponic supplies.

Germinating the Seed

  1. Choose the seed you want to grow.Make sure that it can be grown where you live (don't choose a citrus plant if you're living in Alaska, for instance) and that it isn't a plant that is grown underground.
  2. Take wet paper towels and place the seed(s) inside them.Fold it over, and place it gently in a clear, sealable bag.
  3. Put the bag in a warm, dark place and give the seeds some time to germinate.Germination is triggered when a seed is wet, so keep the paper towels moist. Don't forget that some seeds take longer than others.

Transferring the Seedling

  1. Keep in mind that, when the seeds have germinated and is showing at least one inch of stem, it is a seedling.What you do next depends on the type of plant.
    • If the seed has a frailer stem, keep it in the original paper towel but cut small holes for the leaves to emerge through.
    • If the seed has a stronger stem, feel free to cover only the roots in wet paper towels and let the stem straighten out and grow leaves.
  2. Watch the seedling(s) carefully so that they grow straight.This is a very fragile time in their life, so be extremely gentle.

Caring for Your Plant

  1. Move your plant into its permanent container when the seedling is stronger and bigger.
  2. Fill the container with water.You can choose between having one plant per container, or doing a larger container with many plants. If you choose the second option, make sure that all the plants have good support.
  3. Place your grown seedling into the water, so that only the roots are submerged.If you are growing a plant that gets much taller, you should probably tape a support to the side of the container.
  4. Change the water every few days, especially if it seems to get murky or translucent.Also, plants need nutrients to grow, so buy a pack of liquid fertilizer to add to the water every week. Follow the package instructions, and don't overfeed the plants.

Maturing Your Plant

  1. If you chose a plant that bears fruit, watch for flower buds growing near the leaves.They will open and dry up, leaving behind the start of a fruit or vegetable.
    • If the plant needs cross-pollination in order to be fertilized, place the plant outside or near an open window for a few days so that insects can do the job. A good plant for hydroponic gardening is one that self pollinates.
  2. Make sure that the flowers don't weigh the stem down, if you chose a flowering plant.Normally, plants can anchor themselves into the dirt for extra support. Check your plant's stem daily for any cracks or bending points.
  3. Harvest the fruit/vegetables like any other plant.Enjoy your hydroponic garden!

Community Q&A

  • Question
    Do I still need dirt to grow plants?
    wikiHow Contributor
    Community Answer
    You do not need dirt to grow plants, Gravel and many other substances can be used. The plants can rely only on the water and nutrients provided continuously.
  • Question
    What kind of seeds can be used to grow a plant in 15 days?
    wikiHow Contributor
    Community Answer
    Try lettuce or Thai Basil. They are pretty quick. Most herbs are fast growing, but ones with woody stems tend to take a lot longer.
  • Question
    Where else can I use hydroponics besides a greenhouse?
    wikiHow Contributor
    Community Answer
    Using a grow light, you can grow hydroponic plants virtually anywhere! A "grow light" is usually a mix of red and blue light. (Green light isn't actually needed to grow plants.) However, a white LED or fluorescent bulb can also be used. (Just make sure the light isn't too hot or it will damage the plants.)
  • Question
    What temperature should the water be for lettuce plants?
    wikiHow Contributor
    Community Answer
    Room temperature is fine. If the water is too warm, it can encourage algae growth.
Unanswered Questions
  • How would I anchor the plants so that they occupy the center of the pot?
  • What type of plant food/nutrients do I need to grow plants hydroponically?
  • Must I always keep the plant only in water?
  • Can I grow plants without a greenhouse and where do I get the fertilizer needed?
  • What temperature should the water be for lettuce plants?
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Quick Summary

If you want to grow plants using hydroponics, first place the seeds in a wet paper towel, fold it over, and put them in a clear, sealable bag. Next, put the bag in a warm dark place so the seeds can germinate. Then, after they’re germinated, transfer the plant to its permanent hydroponic container. Finally, fill the container with water, but make sure only the roots are submerged. Keep in mind that you can choose between having one plant per container or a larger container with many plants.

Did this summary help you?
  • Stay away from underground plants or incredibly tall plants.
  • Choose a nutrient blend wisely, or make your own. Remember that the plants will not be getting the essential nutrients that you would find in dirt.

Video: 3 Amazing Ways to Grow with Hydroponic Systems - The Complete Guide

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Date: 11.12.2018, 10:45 / Views: 64455