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A 12-12-12 helps promote growth and is good for all vegetables, flowers, fruit and nut trees, shade trees, evergreens and shrubs. A 1-1-1 ratio (10-10-10,15-15-15, 20-20-20, etc.) is widely used at the time of lawn establishment, but established lawns generally respond better to fertilizer ratios high in nitrogen. Two of the more common complete fertilizers used by homeowners for flowers and vegetables are 10-10-10 and 5-10-10. A high phosphorus fertilizer such as 6-18-6 is often recommended for vegetables when transplants are set out.