Does anyone know if fertilizer loses strength, or will harm plants, if old and possibly outdated?
A few yrs ago, I bought several boxes of fertlizer at a super discount price..Enough, I thought to last several years..
Each box was 1.99..One was All Purpose, the other for Acidic Plants..
The containers don't have expiration dates...it's possible these fertilzers were sitting on a nursery shelf for years..Plus I've had them 3 or 4 years now..
Does fertilizer stale? Spoil? If anyone has any idea, please HELP..Should I toss it? Thanks, Toni