How to Grow Brussels Sprouts Hydroponically

Brussels sprouts belong in the same family as cabbage, and the sprouts look like tiny heads of cabbage. They tend to be slow growing and slow to mature, taking as long as 90 days or more to be ready. Growing them hydroponically can cut down how much time they require, since hydroponic systems eliminate the need for plants to expend energy seeking out nutrients. Brussels sprouts grow well in several different kinds of hydroponic systems. They thrive in a deep water culture system, as long as the water is well oxygenated.

Plastic storage bin with lid, 8 gallon
Drill with 3/8-inch bit and 3-inch keyhole saw attachment
Air line
Air stone, 8-inch
Air pump
All-purpose hydroponic nutrient solution
Net pots, 3 1/2-inch
Silica stones
Brussels sprouts seedlings

Instructions

- 1
  Cut a series of 3-inch holes in the lid of the bin. Space them at least 3 inches apart on all sides to give the plants room to grow. Keep the holes at least 2 inches from the sides of the lid so the edges retain their strength.
- 2
  Drill a 3/8-inch hole in one end of the bin near the top. This allows you to pass the air line out of the bin without interfering with closing the lid. Put the air line through the hole, leaving enough on the inside of the bin to comfortably touch the bottom.
- 3
  Connect the air stone to the line inside the bin. Attach the air pump to the air line on the outside of the bin. Set the pump away from the bin so it can’t get wet. This system bubbles oxygen into the water, providing necessary aeration for the roots of the Brussels sprouts.
- 4
  Pour enough hydroponic solution in the bin to reach within 1 inch of the top. This solution is available from hydroponic supply stores. Put the lid on the bin.
- 5
  Fill each of the net pots with silica stones. Both of these items are available from hydroponic supply stores. These provide support for the plants. Hollow out an area in the middle of each pot and place a seedling there, then carefully cover the roots with the silica stones.
- 6
  Place one of the net pots in each hole in the lid. The pots should fit through the holes while the rims hold them in place. Plug in the air pump to start the operation of your hydroponic Brussels sprouts system.

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