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Suffolk, Virginia planting calendar and frost dates

Suffolk is in USDA hardiness zone 8a. The last spring frost typically comes around March 27 and the first fall frost around November 15, giving about 233 frost-free days a year.

Hardiness zone
Zone 8a (parts in 8b)
Typical last frost
March 27
Typical first frost
November 15
Frost-free season
233 days

Frost dates in Suffolk

Last spring frost

  • March 10Risky: frost later than this in 9 years out of 10
  • March 27Typical: a later frost in half of years
  • April 9Safe: a later frost only 1 year in 10

First fall frost

  • November 2Risky: frost earlier than this 1 year in 10
  • November 15Typical: an earlier frost in half of years
  • December 1Late: frost before this in 9 years out of 10

The growing season between the typical last and first frosts is about 233 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 15 and returns around December 1.

NOAA U.S. Climate Normals 1991-2020 for Suffolk Lake Kilby, 1 miles W of the city center. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers.

What to plant each month in Suffolk

  1. January

    Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, chives, collard greens, kale, leeks, lettuce, marigolds, onions, oregano, parsley, petunias, ranunculus, rosemary, sage, snapdragons

  2. February

    Start indoors: 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: beets, black-eyed susans, blackberries, blueberries, broccoli, cauliflower, chives, cilantro, collard greens, figs, garlic, gladioli, grapes, grass seed, hollyhocks, kale, leeks, onions, peas, poppies, radishes, ranunculus, raspberries, rhubarb, roses, spinach, strawberries, swiss chard, turnips, wildflowers

  3. March

    Start indoors: basil, cantaloupes, celery, cosmos, cucumbers, eggplants, okra, peppers, pumpkins, ranunculus, tomatoes, 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, gladioli, grapes, green onions, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, onions, oregano, parsley, petunias, potatoes, radishes, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, swiss chard, thyme, turnips

  4. April

    Start indoors: cosmos, cucumbers, okra, pumpkins, winter squash, zucchini

    Plant or sow outdoors: asparagus, basil, cantaloupes, chives, cilantro, cucumbers, dahlias, dill, eggplants, garden mums, ginger, gladioli, grapes, green beans, green onions, kentucky bluegrass, lavenders, lettuce, lilies, marigolds, mints, nasturtiums, oregano, parsley, peppers, perennial ryegrass, petunias, pumpkins, ranunculus, rosemary, sage, spinach, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme, tomatoes, watermelons, winter squash, zucchini

  5. May

    Start indoors: zinnias

    Plant or sow outdoors: asparagus, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, green beans, green onions, okra, peanuts, peppers, pumpkins, st. augustinegrass, sweet potatoes, tomatoes, watermelons, winter squash, zinnias, zoysiagrass, zucchini

  6. June

    Plant or sow outdoors: bermudagrass, centipedegrass, st. augustinegrass, zinnias, zoysiagrass

  7. July

    Plant for fall: peppers, potatoes

  8. August

    Plant for fall: bearded irises, broccoli, brussels sprouts, carrots, collard greens, cucumbers, green beans, lettuce, peas, peppers, potatoes, snapdragons, sweet corn, swiss chard, tomatoes, zucchini

  9. September

    Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, collard greens, coneflowers, daylilies, hostas, hydrangeas, kale, lettuce, peas, radishes, roses, saffron, snapdragons, spinach, swiss chard, turnips, zucchini

  10. October

    Plant for fall: azaleas, bearded irises, cabbages, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, hydrangeas, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, roses, saffron, spinach, tall fescue, tulips

  11. November

    Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips

  12. December

    Start indoors: onions

Frost dates and zones by ZIP code in Suffolk

All 5 of Suffolk's main ZIP codes take their frost dates from Suffolk Lake Kilby, so the dates on this page apply across the city. Every one of them is in zone 8a.

ZIP codeZoneWeather stationTypical last frostTypical first frost
234328aSuffolk Lake Kilby, 1 mi WMar 27Nov 15
234348aSuffolk Lake Kilby, 1 mi WMar 27Nov 15
234358aSuffolk Lake Kilby, 1 mi WMar 27Nov 15
234378aSuffolk Lake Kilby, 1 mi WMar 27Nov 15
234388aSuffolk Lake Kilby, 1 mi WMar 27Nov 15

Planting dates for popular crops in Suffolk

PlantStart indoorsPlant or sow outdoorsFall planting
TomatoesFeb 23 to Mar 9Apr 20 to May 4Aug 2 to 9
Strawberries—Feb 13 to 27—
LettuceJan 30 to Feb 13Mar 20 to Apr 3Aug 16 to Sep 20
CilantroFeb 13 to 27Mar 27 to Apr 3—
BasilMar 2 to 16Apr 20 to 27—
Potatoes—Mar 20 to 27Jul 26 to Aug 2
Garlic—Feb 13 to 27Nov 15 to 29
OnionsDec 5 to Jan 16Feb 27 to Mar 13—
CucumbersMar 23 to Apr 6Apr 20 to May 4Aug 16 to 30
PumpkinsMar 23 to Apr 6Apr 20 to May 4—
PeppersFeb 2 to Mar 2Apr 20 to May 4Jul 26 to Aug 23
Carrots—Mar 6 to 27Aug 23 to Sep 13
Sweet Potatoes—May 10 to 17—
WatermelonsMar 16 to 30Apr 20 to May 4—
Sweet Corn—Mar 27 to Apr 10Aug 9 to 23
Green Beans—Apr 20 to May 4Aug 23 to 30
ZucchiniMar 23 to Apr 6Apr 20 to May 4Aug 23 to Sep 6
BroccoliJan 9 to 30Feb 27 to Mar 13Aug 30 to Sep 27
Peas—Feb 13 to 27Aug 23 to Sep 6
SpinachFeb 13 to 20Mar 20 to Apr 3Sep 6 to Oct 11
Sunflowers—Mar 27 to Apr 17—
ZinniasMay 3 to 10May 31 to Jun 14—
Tulips——Oct 4 to Nov 29
Daffodils——Oct 4 to Nov 15
Grass Seed—Feb 13 to 27Oct 4 to 18

Nearby cities

Planting in VirginiaAbout zone 8aPrintable calendar for Suffolk

Questions

When is the last frost in Suffolk?

Around March 27 in a typical year, based on NOAA's 1991-2020 records for Suffolk Lake Kilby. There is still a 1 in 10 chance of frost after April 9.

What planting zone is Suffolk in?

USDA hardiness zone 8a (2023 map), with parts of the city in zone 8b. The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.

When should I plant tomatoes in Suffolk?

Start seeds indoors February 23 to March 9 and set plants out April 20 to May 4.

When is the first frost in Suffolk?

Around November 15 in a typical year, and before November 2 about 1 year in 10.