Does Dry Fertilizer Expire

A dry fertilizer is essentially just nutrients for soil. These types of fertilizers have an indefinite shelf life, meaning they do not expire.

How long does it take for dry fertilizer to break down?

Organic fertilizer has to essentially decompose before the nutrients are available to plants. This process can take 2 to 6 weeks depending on many factors including soil temperature and moisture levels.

Can I throw away old fertilizer?

Fertilizers with pesticides or herbicides, often called weed and feed, are accepted at hazardous waste collection sites. Solid fertilizers with no pesticides can go in the garbage. … Dry, empty containers, including aerosol cans, can go in the garbage (no need to rinse). Do not recycle fertilizer containers.