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Generic Fertilizers & Soil Amendments

This Generic Fertilizers Chart show you what products can be used for a “source of”, how quickly it works, approximate formula, and characteristics.

Generic Fertilizers & Soil Amendments Chart.

Be sure to reference “Southern California Organic Gardening: Month by Month” for in depth use instructions.

Comments

  1. I have been to several of your talks through San Diego Master Garden Series over the years. I have a question I hope you can help me with. I found some old, old multi-purpose fertilizer in the back of our garage cabinets. It must be at least 9 years old. It is still free flowing granules and the smell is still pungent. Is it still good? Is there an expiration date on fertilizer?

    • Yes, most likely the fertilizer is still good. It may not be totally organic, but the best thing you can do is to use it not dump it. Be sure to use according to package directions.

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