How to Grow Pepper Seeds Hydroponically


Pepper plants are a fruit-producing vegetable that grows well in a hydroponics system. A hydroponic growing system will provide fresh peppers throughout the year or during the winter months when outdoor gardens do not thrive. The hydroponics method of growing vegetables generates large produce without the problems of pests and disease. There are various types and sizes of hydroponics systems available with the deep-water or ebb-and-flow styles working well for beginner hydroponic gardeners.

Step 1

Set up your hydroponics system according to the manufacturer's instructions. Place the system in an area that has a daytime temperature of 73 to 78 degrees F and a nighttime temperature of 65 degrees F.

Step 2

Fill the water reservoir and verify the system is working properly prior to planting the pepper seedlings. Arrange the hydroponics growing pots so each pepper plant has approximately 3 square feet of growing space.

Step 3

Add hydroponics nutrients to the water reservoir following the manufacturer's instructions for the volume of water in the system. Add nutrients to the water when adding or changing the water.

Step 4

Sow 2 to 3 pepper seeds into each hydroponics container filled with hydroponics medium or a rockwool cube. Place the seeds on top of the medium and lightly cover with 1/8 inch moist medium. Make sure the medium remains moist but not wet during the germination process.

Step 5

Place growing lights over the hydroponics system and provide a minimum of eight hours of light each day. Set the lights approximately 6 inches over the top of the containers. Adjust the height of the lights as the pepper plants grow.

Step 6

Remove several flower buds from each pepper plant once they appear in order to increase the size of the peppers produced. Pinch off 2 to 3 young stem buds early in the growing season to limit branch growth and increase pepper production.

Step 7

Pollinate hydroponic pepper plants by shaking the plants 2 to 3 times a week once the blossoms open to distribute pollen to other plants.

Things You'll Need

  • Pepper seedlings
  • Pepper seeds
  • Planting trays
  • Seed starting medium
  • Hydroponics system
  • Hydroponics medium
  • Grow lights
  • Hydroponics nutrients


  • Better Buy Hydroponics: Growing Hydroponic Peppers
  • Growing Sweet Peppers in Hydroponics Systems
  • University of New Hampshire: Hydroponics Vegetable Gardening
Keywords: grow hydroponics peppers, plant hydroponic peppers, hydroponics pepper seeds

About this Author

Jennifer Loucks has over 10 years of experience as a former technical writer for a software development company in Wisconsin. Her writing experience includes creating software documentation and help documents for clients and staff along with training curriculum. Loucks holds a Bachelor of Science major from the University of Wisconsin - River Falls specializing in animal science and business.