does granular fertilizer expire

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  • Does fertilizer expire or go bad?

  • Pesticides and herbicides, however, do expire with a typical shelf life of four years. Granular fertilizers that include some sort of insect or weed control component, such as weed and feed varieties, therefore expire in four years. If dry fertilizer doesn’t expire, you may wonder why anyone uses liquid fertilizer at all.

  • How long does soil fertilizer last?

  • This is how long you can expect fertilizer to last in soil: Liquid fertilizer (organic): 2-4 weeks Dry fertilizer (organic): 4-6 weeks Liquid fertilizer (synthetic): 1-2 weeks

  • Is granular fertilizer bad for plants?

  • When you witness any of these indicators, please don鈥檛 put the product on your plants, as it may cause harm. Hardening or 鈥渕elting鈥?of granular fertilizer can happen under moist conditions, but you can still dry and break up this material and use it safely on your plants.

  • Does 5-10-5 fertilizer expire?

  • A fertilizer labeled 5-10-5, for example, is 5 percent nitrogen, 10 percent phosphorous and 5 percent potassium. These elements are all stable and do not degrade over time. As a result, granular fertilizers that contain them never lose their potency or expire. Pesticides and herbicides, however, do expire with a typical shelf life of four years.

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