When to Apply Lime to Your Lawn


When to Apply Lime to Your Lawn


Liming is applying calcium carbonate over your lawn to decrease soil acidity and make nutrients available to plant roots.

You should apply lime to your lawn when the soil pH falls below 6.6. But before you start throwing around bags of lime, here are the warning signs of acidic soil.


Sudden proliferation of clover, moss, or other common lawn weeds. Weeds are generally acid-loving plants. Dormant seeds will sprout when acidic conditions develop.


While insect pests don't care a lot for the soil's state, they love sick or ailing plants. If your beautiful lawn loses its vigor, insect pests will move right on in.


Soil acidity causes yellowing or browning areas of lawn grasses. When soil pH drops below 6.0, soil nutrients will be less available to plant roots.

Potted Exotics Pro Tip: Yellow grass blades indicate acidic soil, but it's also true for too much lime, which can cause more damage. It's best to consult a professional.


Fluctuating weather conditions can change the soil pH. Wet weather leeches out minerals from the soil, while dry weather causes lawn grasses to use different ratios of nutrients.


Soil pH is also determined by the soil type itself. Heavy clay soil will need more organic matter to decrease soil acidity than light sandy soil.

Up Next:  Learn how to test soil pH levels at home and step-by-step lime application. 👇

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