Phosphorous Free Fertilizer; Bulbs - Knowledgebase Question

Conyers, Ge
Question by jamesbohano
April 19, 2009
Why are some fertilizers made phosphorous free? It stimulates root growth, correct? FYI - I am in the Atlanta, GA area.


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Answer from NGA
April 19, 2009

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Actually, phosphorous promotes flowering (along with helping strengthen stems). Potassium is the element that promotes healthy root growth (along with working in conjunction with the other two elements). So, a fertilizer without phosphorous would be great for non-flowering plants.

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