Pros & Cons of Worm Farm Composting

Worm farm systems require some of the composting elements listed in 8 Composting Methods, (but not all); carbon and nitrogen to a degree, air, water and worm friendly scraps.   The pros and cons are intermingled because what might be a pro to one person is a con to someone else. This method brings with it some great rewards of beautiful composted soil. However;

Trays need

  • Monitoring
  • Rotating
  • Emptying
  • Spreading
  • Worms need to be added and bedding provided to protect the worms
  • Worms die from overheating  or cold if conditions are not perfect
  • Produces beautiful juice but this needs collecting or worms can drown
  • They do produce beautiful worm tea
  • Only certain foods can be added – No onions, meat, oil, dairy, eggs, citrus:
  • The worms must preferably not be overfed
  • It takes time to decompose – worms only eat decomposed food
  • It helps to cut the food into small pieces for quicker decomposition so a little extra work
  • Weed seeds and tubers are not destroyed as there are no hot areas
  • Soldier Fly larvae get in and kill the worms or simply crowd them out leaving your worm farm with no worms come winter time when the soldier flies hibernate if it gets too cold (depends on climate)
  • When trays are full they can be very heavy to rotate and empty
  • Worms will die if not fed as they cannot move around a garden to find food.
  • If you go away on holidays you need to get someone to feed them
  • It is visible and takes up space in your garden – a small space though
  • Can be great in a garage in a small townhouse with no backyard
  • For many worm farming is a rewarding and effective method to breed up worms
  • They are great for breeding worms but they
  • take up space in the garden or garage
  • is visible; &
  • requires work