5-10-10 Fertilizer: Complete Guide
Built for root crops and bulb planting, this low-nitrogen formula delivers double the phosphorus and potassium relative to nitrogen. Potatoes, carrots, and beets benefit because the 2:1 P-K to N ratio drives underground growth instead of leafy tops. Burn risk stays low thanks to moderate release speed. Poor choice for leafy greens or new lawns needing rapid shoot development.
Key Facts
5N
10P
10K
N 5% Nitrogen: leaf and stem growth
P 10% Phosphorus: roots and flowers
K 10% Potassium: health and disease resistance
Learn more about NPKNPK Ratio
5N
10P
10K
N 5% Nitrogen: leaf and stem growth
P 10% Phosphorus: roots and flowers
K 10% Potassium: health and disease resistance
Learn more about NPKFormgranular
Application Rate10 lbs per 1,000 sq ft for root crops and flower bulbs
Price~$0.8/lb est.
Release Speedmoderate
Burn Risklow
Low Risk: Safe application rate for most plants.
What is 5-10-10 Fertilizer Best For?
When Should You Use 5-10-10 Fertilizer?
Use for root crops (potatoes, carrots, beets), flower bulbs, and fruit-bearing plants that need phosphorus and potassium more than nitrogen.
When Should You NOT Use 5-10-10 Fertilizer?
Not ideal for leafy greens or newly established lawns that need nitrogen for leaf growth.
Source:Clemson University Extension