Lawn Calc

Guide

Lawn care schedule: when to fertilize

A typical year of lawn care, for the two families of grass. Dates are for the northern hemisphere; adapt them to your weather.

Cool-season grass

Fescue, ryegrass and bluegrass grow in spring and fall, and suffer in summer heat.

WhenStep
Mid-MarchCrabgrass preventer
Mid-AprilEarly spring feeding
Late MayWeed and feed
Early JulyGrub control
Mid-SeptemberFall feeding
Early NovemberLate fall feeding

Warm-season grass

Bermuda, zoysia and St. Augustine green up in late spring and go dormant in winter.

WhenStep
Mid-FebruaryCrabgrass preventer
Late AprilFirst feeding
Mid-JuneSecond feeding
Early JulyGrub control
Early SeptemberFall crabgrass preventer

Adapt it

These are typical dates, not rules: soil temperature and local advice come first. In the southern hemisphere, shift every date by six months.

With Lawn Calc

Use the typical program sets out these steps for your grass type and hemisphere. Change any date or product, skip a step for this year, and get a reminder on the morning of each one. See Lawn care schedule.

Know your lawn's size in a few minutes

Draw it on the satellite photo, then let the schedule tell you what to spread and when.

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