It can take about 6-12 months depending on various factors such as cardboard type, weather, and soil microorganisms.
No, because colored cardboard usually contains harmful chemicals that can harm your plants and soil health.
It’s best to use plain, brown shredded cardboard without glossy finishes or colored inks. Avoid cardboard with tape or staples.
First remove any tape, labels, or staples from the cardboard box. Then cut or tear the cardboard into small pieces, and use it for either mulching or composting.
Yes, any plain brown cardboard without glossy finishes or colored inks is safe to use for gardening purposes, but remember to remove any tape stables or pins before using it.