Miami, FL Lawn Care Calendar

In a typical year, put down crabgrass preventer in Miami between Jan 25 and Feb 1. Seed or sod warm-season grass between Jan 31 and Nov 20. Frost is uncommon here. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).

Typical lawn care dates in Miami

Crabgrass preventer (pre-emergent)
Jan 25 – Feb 1
Fertilizer
Jan 31 – Dec 11
Seeding, sodding & plugging
Jan 31 – Nov 20
Fall pre-emergent (winter weeds)
Dec 11 – Jan 1
TaskTypical window
Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens.Jan 25 – Feb 1
FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost.Jan 31 – Dec 11
Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost.Jan 31 – Nov 20
Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F.Dec 11 – Jan 1

Median dates, 2016–2025, from NOAA weather data for Miami. This year's dates can differ by a few weeks.

Month-by-month lawn care in Miami

  1. JanuaryCrabgrass preventer (pre-emergent)FertilizerSeeding, sodding & pluggingFall pre-emergent (winter weeds)
  2. FebruaryCrabgrass preventer (pre-emergent)FertilizerSeeding, sodding & plugging
  3. MarchFertilizerSeeding, sodding & plugging
  4. AprilFertilizerSeeding, sodding & plugging
  5. MayFertilizerSeeding, sodding & plugging
  6. JuneFertilizerSeeding, sodding & plugging
  7. JulyFertilizerSeeding, sodding & plugging
  8. AugustFertilizerSeeding, sodding & plugging
  9. SeptemberFertilizerSeeding, sodding & plugging
  10. OctoberFertilizerSeeding, sodding & plugging
  11. NovemberFertilizerSeeding, sodding & plugging
  12. DecemberFertilizerFall pre-emergent (winter weeds)

Soil temperature in Miami by month

Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 69°F and peaks in July at 85°F. Crabgrass preventer goes down when it reaches 50°F, usually around Jan 25.

JanFebMarAprMayJunJulAugSepOctNovDec
69°F72°F74°F77°F80°F83°F85°F85°F84°F81°F76°F72°F

Miami lawn timing, year by year

Over the last 10 years, soil in Miami reached 50°F, the signal for crabgrass preventer, as early as Jan 4 (2024) and as late as Feb 5 (2021): 32 days apart. A fixed calendar date can't follow that, which is why the report above uses this year's soil temperature.

YearCrabgrass window openedLast spring frostFirst fall frost
2025Jan 25——
2024Jan 4——
2023Jan 16——
2022Jan 31——
2021Feb 5——
2020Jan 23——
2019Jan 30——
2018Jan 6——
2017Jan 31——
2016Jan 25——

Estimated from daily temperatures for Miami. A dash means it didn't happen that year.

Frequently asked questions

When should I apply pre-emergent in Miami?

In a typical year, between Jan 25 and Feb 1. Put it down when soil reaches 50°F, before it stays above 55°F and crabgrass starts sprouting. Early springs move this up by a week or more, so check this year's soil temperature above.

When is the best time to plant grass seed in Miami?

Once soil stays above 65°F, typically Jan 31 – Nov 20, leaving about 10 weeks before the first frost.

When is the last frost in Miami?

Frost does not occur in most years in Miami.

How long is the growing season in Miami?

Frost is uncommon in Miami, so cool spells rather than freezes set the length of the season.

Lawn care guides

More Florida lawn calendars

Nearby cities in other states