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.

Answer from NGA
April 19, 2009


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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