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GA planting calendar

When to Plant Grass Seed in Georgia

Use this page for timing first. It starts with the planting window, then breaks the year into practical seedbed, watering, and weather decisions for Georgia lawns.

Best window
Late April through June for warm-season grasses; sod can be installed through early September
Soil rule
Warm soil first, 65F+ soil
USDA zones
7, 8
Regional focus
Metro Atlanta / Piedmont and North Georgia / Mountains

Start with seed type, then trust the soil

State timing is useful because frost, rainfall, soil texture, and heat stress change the risk profile. It is still a filter, not a guarantee. Confirm the grass species, soil temperature, and watering plan before you spread seed.

Local constraints

  • Red clay soil
  • Extreme heat and humidity
  • Fungal diseases (brown patch, large patch)
  • Transition zone complications in North Georgia
  • Armyworms
  • Soil compaction

Plant

Wait for sustained soil heat

Warm-season lawns in Georgia need late-spring soil warmth before seed has enough energy to germinate and spread.

Avoid

Do not chase early green-up

Warm afternoons can arrive before soil is ready. Early seed often stalls, thins, or loses to weeds.

Season-by-season planting plan for Georgia

Use the Georgia calendar as a timing sequence: prep before the window, seed when soil temperature is right, and protect new turf through the first stress season.

Best window

Late April through June for warm-season grasses; sod can be installed through early September

Warm-season

Warm soil first

65F+ soil

March - May

Spring

Key window
  • 1Apply pre-emergent herbicide when soil temperatures reach 55 degrees at 4-inch depth — in Middle and South Georgia that's typically late February to early March, in Atlanta mid-March, and in the mountains not until late March (watch for forsythia and Bradford pear blooms as natural indicators)
  • 2Scalp bermuda lawns to 0.5 to 0.75 inches once you see 50% green-up — in Macon and Savannah that's usually mid-to-late March, in Atlanta early April, in the mountains mid-April at the earliest
  • 3Get your soil tested through the UGA Extension office (15 dollars, results in 7 to 10 days) — this is the single best investment you can make in a Georgia lawn, especially on untested red clay where pH and nutrient levels are almost always off
  • 4Apply pelletized lime based on soil test results — most Georgia soils need 40 to 60 lbs per 1,000 sq ft to bring pH into the 6.0 to 6.5 range that bermuda and zoysia prefer
  • 5Seed bermuda or centipede once soil temperatures hold above 65 degrees for two consecutive weeks — that's late April in South Georgia, mid-May in Atlanta, and late May in the mountains
  • 6Begin regular mowing once warm-season grass is actively growing — bermuda at 1 to 2 inches, centipede at 1.5 to 2 inches, zoysia at 1 to 2.5 inches depending on variety

June - August

Summer

Key window
  • 1Apply a balanced fertilizer (16-4-8 is the classic Georgia formula) in early June for bermuda lawns — centipede gets a single light application of 15-0-15 in June and nothing more
  • 2Water deeply and infrequently — deliver 1 to 1.25 inches per week in one or two early-morning sessions, adjusting for Georgia's frequent afternoon thunderstorms (subtract rainfall from your irrigation target)
  • 3Scout for armyworms every week from late July through September — they migrate into Georgia from the Gulf Coast on weather fronts, and an untreated infestation can consume a lawn in 48 hours
  • 4Monitor for large patch fungus in zoysia lawns during humid stretches — look for circular patches of yellow-to-brown grass expanding outward, often most visible when zoysia is coming out of or going into dormancy
  • 5Sharpen mower blades monthly during peak growing season — dull blades tear grass rather than cutting it cleanly, creating entry points for disease in Georgia's high-humidity environment
  • 6Do not fertilize centipede after July 1 — late-season nitrogen pushes tender growth that is vulnerable to cold damage when the first frost arrives in November

September - November

Fall

Season work
  • 1Apply a fall pre-emergent in early September to catch winter annual weeds like annual bluegrass (Poa annua), henbit, and chickweed before they germinate — these are the weeds that take over dormant warm-season lawns all winter
  • 2Core aerate bermuda and zoysia lawns in September while the grass is still actively growing — this is the critical aeration window for compacted red clay, and the grass needs 4 to 6 weeks of growth to recover before dormancy
  • 3For North Georgia fescue lawns, overseed in mid-September through early October — soil temps between 60 and 70 degrees are the sweet spot for fescue germination
  • 4Apply a winterizer fertilizer with high potassium (such as 5-5-25 or 10-5-15) in mid-October to harden off warm-season grass before dormancy — potassium strengthens cell walls and improves freeze tolerance
  • 5Continue mowing at normal height until the grass stops growing — do not scalp going into winter, as the leaf blade insulates the crown from freeze damage
  • 6Blow or rake fallen leaves weekly — Georgia's massive hardwood canopy drops enormous volumes of leaves from October through December, and a wet leaf mat on dormant bermuda invites spring dead spot and other fungal diseases

December - February

Winter

Season work
  • 1Leave dormant bermuda, centipede, and zoysia alone — no fertilizer, no herbicides on dormant turf (pre-emergent was already applied in September), and minimal foot traffic on frozen grass which can crush dormant crowns
  • 2Spot-treat actively growing winter weeds like henbit, chickweed, and annual bluegrass with a post-emergent containing 2,4-D, dicamba, or sulfentrazone while the lawn is dormant and these weeds are vulnerable
  • 3Plan renovation projects — soil grading, drainage French drain installation, and irrigation system repairs are all best done in January and February before spring green-up disrupts access
  • 4Order grass seed by late January — improved bermuda and centipede varieties sell out fast as spring approaches, and Georgia garden centers stock seed by mid-February
  • 5Service your mower, sharpen blades, and clean the underside of the deck — Georgia's humid air corrodes equipment faster than you'd expect, and a well-maintained mower makes a visible difference in cut quality
  • 6For North Georgia fescue lawns, continue mowing at 3.5 to 4 inches through winter as the grass is still actively growing — fescue's winter green color is the whole reason you chose it, so keep it looking sharp

Georgia is not one planting zone

Use these regional notes to adjust the statewide window for elevation, soil, heat, irrigation pressure, and local grass type.

Metro Atlanta / Piedmont

The Atlanta metro — stretching from Kennesaw and Roswell in the north through Decatur, Marietta, and Lawrenceville to Peachtree City and Newnan in the south — sits squarely on the Piedmont Plateau, defined by rolling hills and that infamous red clay. Zone 7b to 8a conditions mean warm-season grasses dominate, but winters get cold enough (occasional single digits during polar vortex events) that cold tolerance matters. The red clay compacts brutally under foot traffic and construction equipment, and most new subdivisions in Gwinnett, Forsyth, and Cherokee counties have yards with less than two inches of topsoil over raw subsoil. Bermuda is the default for full-sun lots across the metro, but the heavy tree canopy in older ITP (inside the perimeter) neighborhoods — mature oaks, pines, and hardwoods — makes zoysia the better choice for Decatur, Virginia Highland, Druid Hills, and similar established areas. The Atlanta heat island effect pushes summer temperatures 3 to 5 degrees above surrounding areas, extending the bermuda growing season but also increasing water demand.

  • Core aerate in May and again in September — Piedmont red clay compaction is the single biggest obstacle to healthy root growth in metro Atlanta, and you need both spring and fall passes to stay ahead of it
  • Apply pelletized lime at 40 to 50 lbs per 1,000 sq ft annually until your UGA soil test shows pH above 6.0 — most untreated red clay in the metro runs 5.0 to 5.5, which is too acidic even for bermuda

North Georgia / Mountains

North Georgia above I-85 — from Dahlonega and Blue Ridge through Ellijay, Clayton, and up to the Tennessee border — is legitimate transition zone territory at Zone 7a. Elevations range from 1,500 to 4,700 feet at Brasstown Bald, and winter lows regularly hit the teens with occasional single-digit events. This is the one part of Georgia where cool-season grasses are genuinely viable, and you'll find beautiful tall fescue lawns throughout the mountain communities. The soil shifts from Piedmont red clay to rocky mountain clay and sandy loam as you climb in elevation, often with significant rock content and thin topsoil. Growing seasons are 3 to 4 weeks shorter than Atlanta, meaning bermuda seed goes in later (mid-May) and the grass goes dormant earlier (mid-October). Homeowners here face the classic transition zone dilemma: bermuda that's brown for five months, or fescue that looks great nine months but requires heroic effort to survive July and August.

  • If you choose tall fescue in the mountains, overseed every September without exception — fescue thins 15 to 20% annually even in ideal conditions, and summer heat stress accelerates the loss
  • For fescue lawns, raise mowing height to 4 inches from June through August and water 1.5 inches per week to nurse it through summer heat stress

Coastal Georgia / Savannah

The Georgia coast from Savannah down through the Golden Isles (Brunswick, St. Simons, Jekyll Island) to the Florida border is Zone 8b to 9a — the warmest, most humid region in the state. Sandy loam and sandy soil dominate, a welcome relief from Piedmont clay but with its own challenges: the sand drains so fast that nutrients leach out within days, and the salt air along the coast adds another stress layer. Savannah gets 50 inches of rain annually, but it comes in intense summer thunderstorms followed by dry stretches, so irrigation is still essential. Centipede grass is the traditional Lowcountry lawn choice — it thrives in the acidic sandy soil without much fertilizer, handles the heat and humidity, and matches the laid-back coastal lifestyle. Bermuda dominates newer subdivisions in Pooler, Richmond Hill, and the suburban sprawl around Savannah. St. Augustine (sod only) fills the heavy shade niches under the massive live oaks draped in Spanish moss that define Savannah's historic squares and older neighborhoods.

  • Sandy coastal soil needs split fertilizer applications — apply nitrogen in three light passes (April, June, August) rather than two heavy ones, because heavy rain will wash a single large application straight through the sand
  • Salt spray along the immediate coast (within 2 miles of the water) damages centipede and zoysia — bermuda is the most salt-tolerant seeded option for oceanfront and marsh-adjacent lots on St. Simons and Tybee Island

Middle Georgia / Macon

Middle Georgia — centered on Macon and extending through Warner Robins, Dublin, Milledgeville, and out to Augusta — is the heart of Georgia's warm-season grass belt. Zone 8a conditions deliver long, brutal summers (95-plus degrees for weeks in July and August) and mild enough winters that bermuda dormancy only lasts three to four months. The soil transitions from Piedmont red clay in the northern reaches around Milledgeville to sandy loam as you move south toward Vidalia and the Coastal Plain. This is centipede country by tradition — the low-maintenance grass thrives in Middle Georgia's acidic soils and moderate fertility, and you'll find it on the majority of residential lawns in Macon, Warner Robins, and the surrounding counties. Augusta, home of the Masters, has its own lawn culture: residents take serious pride in bermuda lawns maintained at golf-course height, inspired by the immaculate turf of Augusta National just up Washington Road. Robins Air Force Base and Fort Eisenhower (formerly Fort Gordon) create large military communities where bermuda sod is standard issue on base housing.

  • Centipede lawns in Middle Georgia should get no more than 1 to 2 lbs of nitrogen per 1,000 sq ft per year — anything more causes 'centipede decline,' a condition where over-fertilized centipede grows too fast, develops excessive thatch, and dies in large patches
  • The Macon area red clay is slightly less acidic than Atlanta's (typically pH 5.5 to 6.0), but still benefits from annual lime applications based on soil test results

Next decision

Pick seed after the window is real

Once the timing works, move to the Georgia seed guide for varieties matched to zones, soil, water pressure, and the grass type that fits your lawn.