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Past Articles Library | Organic Fertilizer

Creating a Worm Tower

Nothing beats “growing” your own organic fertilizer but not everyone is into having a worm composter under the kitchen sink.  But what choices do you have?  Well, one is to build a worm tower.  The directions below are very simple and are a great way of using up those supplies leftover from other projects.

Worm Tower

Supply List

3 foot piece of PVC pipe that is 1 1/8 inch in diameter

PVC pipe end cap per 3 foot piece of PVC pipe

Hand saw


Drill with 1 1/8 inch drill bit

Tape measure


Water pitcher with water inside that has sat for 24 hours

Bedding, this includes newspaper and cardboard


Composting worms

Kitchen scraps that have been frozen



  1. If PVC pipe is not 3 feet in length, measure and cut accordingly.
  2. Dig a hole in the garden space that is 22 inches deep.
  3. Measure the pipe 12 inches from the bottom and mark.
  4. In the 12 inch area from step 3, drill numerous holes in this area.   Hint:  The more holes the better.
  5. Clean out the shavings from the PVC pipe and place in the hole.
  6. Fill in around the pipe and gently push down on the soil to secure the pipe.
  7. Cut up newspaper and/or corrugated cardboard.  Place in water pitcher.  Soak for a few minutes and then squeeze.  Put “bedding material inside pipe.  Add about 2 inches of this bedding material.
  1. Place worms inside pipe.
  2. Add frozen kitchen scraps.  Repeat this step once a week.
  3. Cap off.

While this project is very easy, you may be wondering how this system works.  What happens is that the worms stay inside the pipe and eat but as the food is eaten, they will explore outside the tube.  While exploring the surrounding ground, they will relieve themselves in the soil.  This matter is worm poop or fertilizer. 

But how do you get your worms to come back?  That is easy and only requires you to add more food to the tube.

To prevent any fly or rodent problems, always “cap” off the tube when you are done feeding the worms.  Also, to aid the worms and speed up decomposition, only use small kitchen scraps that are easily digested.  This includes small pieces of frozen banana peels and apple cores.  Avoid foods such as small twigs and egg shells.  Finally to keep things moving, fill the tube with water every other week.  This will help wash out additional fertilizer (poo) while giving your plants a deep watering.


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