can you compost corrugated boxes?
Yes — corrugated shipping boxes are dense carbon for the pile once you strip the tape and shred them.
breaks down in 2–6 months depending on shred size
C:N ≈ 350:1
which bins can take it?
- hot pile yes
- cold pile yes
- worm bin yes
- bokashi no
- tumbler caution
- curbside yes
- tumbler: Big boxes overwhelm a small drum — shred finely and add a little per batch.
why?
The fluted middle layer is the prize: lightly glued kraft fiber that wicks moisture and gives fungi easy entry, while the flat outer liners are denser and slower. At about 350:1 carbon to nitrogen, one large moving box can balance several days of kitchen scraps — but shipping labels and reinforced tape leave plastic behind if you skip the prep.
how to prep it
- Cut away tape, labels, and plastic strapping
- Shred or tear into palm-sized pieces — a box cutter against scrap wood speeds this up
- Wet the pieces down before mixing them in
watch out for
- Recycling is the higher use for clean boxes — corrugated is the most-recycled packaging in the US — so compost the soiled and damaged ones.
often confused with
- Waxed cardboard — Produce boxes with a slick, water-shedding coating are a different animal — the wax blocks breakdown.
quick answers
Do I have to remove every bit of tape?
Get the long runs; stray fragments survive composting but can be picked or screened out at the end. Fiber-reinforced tape is the one to hunt down — its embedded strands last indefinitely.
Is the ink printed on shipping boxes a problem?
No — box printing is thin soy- or water-based flexographic ink. The exception is full-color retail packaging with a glossy clay coat; route those boxes to recycling instead.