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Calculate the perfect amount of fertilizer for your lawn. Get personalized NPK recommendations based on your grass type, lawn size, and seasonal needs.
Note: These recommendations are estimates based on general guidelines. For best results, consider a soil test to determine your lawn's specific nutrient needs. Always follow fertilizer label instructions and local regulations.
NPK stands for Nitrogen (N), Phosphorus (P), and Potassium (K). The numbers represent the percentage of each nutrient by weight. For example, 10-10-10 means 10% nitrogen, 10% phosphorus, and 10% potassium.
Frequency depends on your grass type and season. Cool-season grasses typically need 3-4 applications per year (spring and fall), while warm-season grasses may need 4-5 applications during their growing season (spring through fall).
For cool-season grasses, apply in early spring and fall. For warm-season grasses, apply in late spring through early fall. Avoid fertilizing during extreme heat or drought conditions.
Yes, too much fertilizer can burn your lawn and cause environmental problems. Stick to the recommended amounts and avoid applying before heavy rain or on wet grass.
Choose based on your lawn's needs: High nitrogen (first number) for green color and growth, high phosphorus (middle number) for root development and new lawns, high potassium (last number) for stress resistance and winter hardiness.