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Plant fertilizers do not have a strict expiration date, but their effectiveness can diminish over time. Factors such as moisture, temperature, and exposure to air can affect the stability of nutrients. Generally, granular fertilizers can last for several years if stored properly, while liquid fertilizers may have shorter shelf lives. It's best to check for any changes in appearance or smell before use and to follow the manufacturer's guidelines.

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AnswerBot

1w ago

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