Smyrna, Georgia planting calendar and frost dates
Smyrna is in USDA hardiness zone 8a. The last spring frost typically comes around March 24 and the first fall frost around November 8, giving about 231 frost-free days a year.
- Hardiness zone
- Zone 8a
- Typical last frost
- March 24
- Typical first frost
- November 8
- Frost-free season
- 231 days
Frost dates in Smyrna
Last spring frost
- March 2Risky: frost later than this in 9 years out of 10
- March 24Typical: a later frost in half of years
- April 10Safe: a later frost only 1 year in 10
First fall frost
- October 27Risky: frost earlier than this 1 year in 10
- November 8Typical: an earlier frost in half of years
- November 26Late: frost before this in 9 years out of 10
The growing season between the typical last and first frosts is about 231 days. Frost here means a low of 32°F at the weather station. A hard freeze (28°F), which damages most hardy crops too, typically ends around March 9 and returns around November 20.
NOAA U.S. Climate Normals 1991-2020 for Atlanta Fulton Co Airport, 6.9 miles S of the city center and 168 feet lower. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers. Smyrna shares this station with Mableton, so the two cities have the same frost dates and planting calendar.
What to plant each month in Smyrna
January
Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, chives, collard greens, ginger, kale, leeks, lettuce, marigolds, onions, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons
February
Start indoors: basil, black-eyed susans, cabbages, cauliflower, celery, chives, cilantro, collard greens, eggplants, ginger, lettuce, marigolds, nasturtiums, peppers, ranunculus, sage, snapdragons, spinach, swiss chard, tomatoes
Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, blueberries, broccoli, cauliflower, chives, cilantro, collard greens, figs, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, leeks, onions, peas, poppies, radishes, ranunculus, raspberries, rhubarb, roses, spinach, strawberries, swiss chard, turnips, wildflowers
March
Start indoors: basil, cantaloupes, cosmos, cucumbers, okra, pumpkins, ranunculus, watermelons, winter squash, zucchini
Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, dahlias, dill, figs, garden mums, ginger, gladioli, grapes, green onions, kentucky bluegrass, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, onions, oregano, parsley, perennial ryegrass, petunias, potatoes, radishes, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme, turnips
April
Start indoors: cosmos, okra, zinnias
Plant or sow outdoors: asparagus, basil, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, garden mums, ginger, grapes, green beans, green onions, kentucky bluegrass, lavenders, lilies, marigolds, mints, nasturtiums, okra, oregano, parsley, peanuts, peppers, perennial ryegrass, petunias, pumpkins, rosemary, sage, st. augustinegrass, sunflowers, sweet corn, sweet peas, sweet potatoes, tall fescue, thyme, tomatoes, watermelons, winter squash, zoysiagrass, zucchini
May
Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, green onions, okra, peanuts, st. augustinegrass, sweet potatoes, zinnias, zoysiagrass
June
Plant or sow outdoors: bermudagrass, centipedegrass, st. augustinegrass, zoysiagrass
July
August
Plant for fall: bearded irises, beets, broccoli, brussels sprouts, cabbages, carrots, cauliflower, collard greens, cucumbers, green beans, lettuce, peas, peppers, radishes, snapdragons, spinach, sweet corn, swiss chard, tomatoes, turnips, zucchini
September
Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hydrangeas, kale, kentucky bluegrass, lettuce, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, roses, saffron, snapdragons, spinach, swiss chard, tall fescue, tulips, turnips
October
Plant for fall: cabbages, cauliflower, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, saffron, spinach, tall fescue, tulips
November
Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips
December
Start indoors: collard greens, leeks, onions, petunias, ranunculus
Frost dates and zones by ZIP code in Smyrna
All 3 of Smyrna's main ZIP codes take their frost dates from Atlanta Fulton Co Airport, so the dates on this page apply across the city. Every one of them is in zone 8a.
| ZIP code | Zone | Weather station | Typical last frost | Typical first frost |
|---|---|---|---|---|
| 30080 | 8a | Atlanta Fulton Co Airport, 6.9 mi S | Mar 24 | Nov 8 |
| 30082 | 8a | Atlanta Fulton Co Airport, 5.3 mi S | Mar 24 | Nov 8 |
| 30126 | 8a | Atlanta Fulton Co Airport, 3.1 mi SE | Mar 24 | Nov 8 |
Atlanta Fulton Co Airport also supplies the frost dates for Mableton, so their planting calendars match Smyrna's.
Planting dates for popular crops in Smyrna
| Plant | Start indoors | Plant or sow outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Feb 12 to 26 | Apr 9 to 23 | Jul 26 to Aug 2 |
| Strawberries | — | Feb 10 to 24 | — |
| Lettuce | Jan 27 to Feb 10 | Mar 17 to 31 | Aug 9 to Sep 13 |
| Cilantro | Feb 10 to 24 | Mar 24 to 31 | — |
| Basil | Feb 19 to Mar 5 | Apr 9 to 16 | — |
| Potatoes | — | Mar 3 to 10 | Jul 19 to 26 |
| Garlic | — | Feb 10 to 24 | Nov 8 to 22 |
| Onions | Dec 2 to Jan 13 | Feb 24 to Mar 10 | — |
| Cucumbers | Mar 12 to 26 | Apr 9 to 23 | Aug 9 to 23 |
| Pumpkins | Mar 12 to 26 | Apr 9 to 23 | — |
| Peppers | Jan 22 to Feb 19 | Apr 9 to 23 | Jul 19 to Aug 16 |
| Carrots | — | Mar 3 to 24 | Aug 16 to Sep 6 |
| Sweet Potatoes | — | Apr 29 to May 6 | — |
| Watermelons | Mar 5 to 19 | Apr 9 to 23 | — |
| Sweet Corn | — | Mar 24 to Apr 7 | Aug 2 to 16 |
| Green Beans | — | Apr 9 to 23 | Aug 16 to 23 |
| Zucchini | Mar 12 to 26 | Apr 9 to 23 | Aug 16 to 30 |
| Broccoli | Jan 6 to 27 | Feb 24 to Mar 10 | Aug 23 to Sep 20 |
| Peas | — | Feb 10 to 24 | Aug 16 to 30 |
| Spinach | Feb 10 to 17 | Mar 17 to 31 | Aug 30 to Oct 4 |
| Sunflowers | — | Mar 24 to Apr 14 | — |
| Zinnias | Apr 19 to 26 | May 17 to 31 | — |
| Tulips | — | — | Sep 27 to Nov 22 |
| Daffodils | — | — | Sep 27 to Nov 8 |
| Grass Seed | — | Feb 10 to 24 | Sep 27 to Oct 11 |
Nearby cities
- Mableton, GA zone 8a, last frost Mar 24
- Marietta, GA zone 8a, last frost Apr 2
- Atlanta, GA zone 8a, last frost Mar 15
- Sandy Springs, GA zone 8a, last frost Mar 25
- Brookhaven, GA zone 8a, last frost Mar 15
- Dunwoody, GA zone 8a, last frost Mar 25
Planting in GeorgiaAbout zone 8aPrintable calendar for Smyrna
Questions
When is the last frost in Smyrna?
Around March 24 in a typical year, based on NOAA's 1991-2020 records for Atlanta Fulton Co Airport. There is still a 1 in 10 chance of frost after April 10.
What planting zone is Smyrna in?
USDA hardiness zone 8a (2023 map). The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.
When should I plant tomatoes in Smyrna?
Start seeds indoors February 12 to 26 and set plants out April 9 to 23; the safest date to plant out is after April 10.
When is the first frost in Smyrna?
Around November 8 in a typical year, and before October 27 about 1 year in 10.