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Erie, Pennsylvania planting calendar and frost dates

Erie is in USDA hardiness zone 6b. The last spring frost typically comes around April 26 and the first fall frost around November 4, giving about 192 frost-free days a year.

Hardiness zone
Zone 6b (parts in 7a)
Typical last frost
April 26
Typical first frost
November 4
Frost-free season
192 days

Frost dates in Erie

Last spring frost

  • April 10Risky: frost later than this in 9 years out of 10
  • April 26Typical: a later frost in half of years
  • May 13Safe: a later frost only 1 year in 10

First fall frost

  • October 21Risky: frost earlier than this 1 year in 10
  • November 4Typical: an earlier frost in half of years
  • November 17Late: frost before this in 9 years out of 10

The growing season between the typical last and first frosts is about 192 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 April 11 and returns around November 16.

NOAA U.S. Climate Normals 1991-2020 for Erie International Airport, 4.8 miles WSW 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 Erie

  1. January

    Start indoors: onions

  2. February

    Start indoors: broccoli, cabbages, cauliflower, collard greens, kale, leeks, onions, oregano, parsley, petunias, ranunculus, rosemary, snapdragons

  3. March

    Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, celery, chives, cilantro, collard greens, eggplants, ginger, leeks, lettuce, marigolds, nasturtiums, oregano, parsley, peppers, petunias, ranunculus, rosemary, 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

  4. April

    Start indoors: basil, cantaloupes, 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

  5. May

    Start indoors: cosmos, cucumbers, okra, pumpkins, winter squash, zinnias, 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, st. augustinegrass, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme, tomatoes, watermelons, winter squash, zucchini

  6. June

    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

  7. July

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

    Plant for fall: brussels sprouts

  8. August

    Plant for fall: bearded irises, beets, broccoli, brussels sprouts, cabbages, carrots, cauliflower, collard greens, lettuce, peas, radishes, snapdragons, spinach, swiss chard, turnips

  9. September

    Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hydrangeas, kale, lettuce, lilies, ornamental alliums, peonies, radishes, roses, saffron, snapdragons, spinach, swiss chard, tulips, turnips

  10. October

    Plant for fall: crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, kale, lilies, ornamental alliums, peonies, radishes, saffron, tulips

  11. November

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

Frost dates and zones by ZIP code in Erie

All 10 of Erie's main ZIP codes take their frost dates from Erie International Airport, so the dates on this page apply across the city. The hardiness zone is 6b in 16502, 16503, 16504, 16508, 16509, 16510, and 7a in 16501, 16505, 16507, 16511.

ZIP codeZoneWeather stationTypical last frostTypical first frost
165017aErie International Airport, 5.6 mi WSWApr 26Nov 4
165026bErie International Airport, 4.7 mi WSWApr 26Nov 4
165036bErie International Airport, 7 mi WSWApr 26Nov 4
165046bErie International Airport, 7.1 mi WSWApr 26Nov 4
165057aErie International Airport, 3.9 mi SWApr 26Nov 4
165077aErie International Airport, 6.5 mi SWApr 26Nov 4
165086bErie International Airport, 4.8 mi WSWApr 26Nov 4
165096bErie International Airport, 7.1 mi WApr 26Nov 4
165106bErie International Airport, 11.8 mi WApr 26Nov 4
165117aErie International Airport, 10.9 mi WSWApr 26Nov 4

Planting dates for popular crops in Erie

PlantStart indoorsPlant or sow outdoorsFall planting
TomatoesMar 25 to Apr 8May 20 to Jun 3—
Strawberries—Mar 15 to 29—
LettuceMar 1 to 15Apr 19 to May 3Aug 5 to Sep 9
CilantroMar 15 to 29Apr 26 to May 3—
BasilApr 1 to 15May 20 to 27—
Potatoes—Apr 22 to 29—
Garlic—Mar 15 to 29Nov 4 to 18
OnionsJan 4 to Feb 15Mar 29 to Apr 12—
CucumbersApr 22 to May 6May 20 to Jun 3—
PumpkinsApr 22 to May 6May 20 to Jun 3—
PeppersMar 4 to Apr 1May 20 to Jun 3—
Carrots—Apr 5 to 26Aug 12 to Sep 2
Sweet Potatoes—Jun 4 to 11—
WatermelonsApr 15 to 29May 20 to Jun 3—
Sweet Corn—Apr 26 to May 10—
Green Beans—May 20 to Jun 3—
ZucchiniApr 22 to May 6May 20 to Jun 3—
BroccoliFeb 8 to Mar 1Mar 29 to Apr 12Aug 19 to Sep 16
Peas—Mar 15 to 29Aug 12 to 26
SpinachMar 15 to 22Apr 19 to May 3Aug 26 to Sep 30
Sunflowers—Apr 26 to May 17—
ZinniasMay 25 to Jun 1Jun 22 to Jul 6—
Tulips——Sep 23 to Nov 18
Daffodils——Sep 23 to Nov 4
Grass Seed—Mar 15 to 29Sep 23 to Oct 7

Nearby cities

Planting in PennsylvaniaAbout zone 6bPrintable calendar for Erie

Questions

When is the last frost in Erie?

Around April 26 in a typical year, based on NOAA's 1991-2020 records for Erie International Airport. There is still a 1 in 10 chance of frost after May 13.

What planting zone is Erie in?

USDA hardiness zone 6b (2023 map), with parts of the city in zone 7a. The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.

When should I plant tomatoes in Erie?

Start seeds indoors March 25 to April 8 and set plants out May 20 to June 3.

When is the first frost in Erie?

Around November 4 in a typical year, and before October 21 about 1 year in 10.