A
B
C
B-rated items
Below is a complete list of items that have earned a Vermicompost Score of B. Use them to supplement the A-rated staples, but be mindful of the quantity. Click on any item to learn the specific reason for its B-rating and the best way to prepare it.
Pointed Cabbage
Red Currants
Pineapple
Broccoli
Sawdust
Wood ash
Kale
Cauliflower
Leek
Sand
Envelopes
Cherry Tomato
Tumble dryer lint
Bread, pasta, rice, and grains
Pine needles & conifer
Tomato
Pomegranate
White Cabbage
Natural textiles
Tea bags
Watermelon
Radishes
Avocado
Twigs
Red Cabbage
Garlic
Mango
White office paper
Shallots
Spring Onions
White Asparagus
Fresh grass
Large, hard pits
A
B
C
Score A (Ideal)
A
B
C
Score C (Avoid)
These materials should never be added to your vermicomposter. They pose risks like harming worms, attracting pests, causing bad odors, or simply won’t break down. These belong in a different waste stream. Some C-rated items to add with great caution are coconut, lime, peppers, onions, glossy paper, or dairy products.
Frequently asked questions
Why are these items rated B and not A?
What happens if I add too much of a B-rated item?
How can I safely add B-rated items?
