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Marietta, GA Planting Calendar

The last spring frost in Marietta usually comes around Mar 19 and the first fall frost around Nov 12, a growing season of about 238 days. Start tomatoes indoors Feb 5 – Feb 19 and plant them outside Apr 2 – Apr 16.

Last spring frostMar 19
First fall frostNov 12
Growing season238 days

When to plant vegetables in Marietta

VegetableStart seeds indoorsPlant outsideFall crop
TomatoesFeb 5 – Feb 19Apr 2 – Apr 16—
PeppersJan 29 – Feb 12Apr 9 – Apr 23—
EggplantJan 29 – Feb 12Apr 9 – Apr 23—
Cucumbers—Apr 2 – Apr 16—
Zucchini & summer squash—Apr 2 – Apr 16—
Pumpkins & winter squash—Apr 9 – Apr 23—
Green beans—Apr 2 – Apr 16Aug 20 – Sep 3
Sweet corn—Apr 2 – Apr 16—
BasilFeb 19 – Mar 5Apr 2 – Apr 16—
LettuceJan 22 – Feb 5Feb 19 – Apr 2Sep 17 – Oct 1
Spinach—Feb 5 – Feb 26Sep 17 – Oct 1
Peas—Feb 5 – Feb 26Sep 3 – Sep 17
Carrots—Feb 19 – Mar 26Aug 20 – Sep 3
Radishes—Feb 12 – Apr 2Oct 1 – Oct 15
BroccoliJan 8 – Jan 22Feb 19 – Mar 5Aug 20 – Sep 3
KaleJan 22 – Feb 5Feb 12 – Feb 26Sep 3 – Sep 17
Onions—Feb 19 – Mar 5—
Potatoes—Feb 26 – Mar 26—
Garlic——Oct 29 – Dec 3

Dates count from the median frost dates (2016–2025) for Marietta. In a cold spring, wait a week; in a warm one you can go a week early.

Month-by-month planting in Marietta

  1. JanuaryStart indoors: Peppers, Eggplant, Lettuce, Broccoli, Kale
  2. FebruaryStart indoors: Tomatoes, Peppers, Eggplant, Basil, Lettuce, KalePlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions, Potatoes
  3. MarchStart indoors: BasilPlant outside: Lettuce, Carrots, Radishes, Broccoli, Onions, Potatoes
  4. AprilPlant outside: Tomatoes, Peppers, Eggplant, Cucumbers, Zucchini & summer squash, Pumpkins & winter squash, Green beans, Sweet corn, Basil, Lettuce, Radishes
  5. MayPlan, order seeds and prepare beds.
  6. JunePlan, order seeds and prepare beds.
  7. JulyPlan, order seeds and prepare beds.
  8. AugustPlant outside: Green beans, Carrots, Broccoli
  9. SeptemberPlant outside: Green beans, Lettuce, Spinach, Peas, Carrots, Broccoli, Kale
  10. OctoberPlant outside: Lettuce, Spinach, Radishes, Garlic
  11. NovemberPlant outside: Garlic
  12. DecemberPlant outside: Garlic

Tools for this season

Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon

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Frequently asked questions

When is the last frost in Marietta?

The median last spring frost is Mar 19 and the median first fall frost is Nov 12, based on 2016–2025 weather data.

When should I plant tomatoes in Marietta?

Start seeds indoors Feb 5 – Feb 19 and set plants outside Apr 2 – Apr 16, once nights stay above 50°F.

When should I plant a fall garden in Marietta?

Sow or transplant cool-season crops 6 to 12 weeks before the first fall frost (around Nov 12): broccoli and carrots first, lettuce, spinach and radishes last.

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