Garden Lime (Calcium Carbonate): Complete Guide
A soil amendment that raises soil pH (makes soil less acidic) and provides calcium. Most vegetables and lawn grasses prefer pH 6.0-7.0. Pelletized lime is easier to apply than powdered agricultural lime.
Key Facts
0N
0P
0K
N 0% Nitrogen: leaf and stem growth
P 0% Phosphorus: roots and flowers
K 0% Potassium: health and disease resistance
Learn more about NPKNPK Ratio
0N
0P
0K
N 0% Nitrogen: leaf and stem growth
P 0% Phosphorus: roots and flowers
K 0% Potassium: health and disease resistance
Learn more about NPKFormgranular/pelletized
Application Rate50 lbs per 1,000 sq ft to raise pH by ~1 unit (varies by soil type)
Price~$0.1/lb est.
Release Speedslow
Burn Riskvery low
Low Risk: Safe application rate for most plants.
What is Garden Lime (Calcium Carbonate) Best For?
When Should You Use Garden Lime (Calcium Carbonate)?
Apply when soil test shows pH below optimal range for your plants. Apply in fall for spring results.
When Should You NOT Use Garden Lime (Calcium Carbonate)?
Never lime without a soil test. Over-liming locks out iron, manganese, and other micronutrients.
Source:Penn State Extension