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.
- 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
January
Start indoors: onions
February
Start indoors: broccoli, cabbages, cauliflower, collard greens, kale, leeks, onions, oregano, parsley, petunias, ranunculus, rosemary, snapdragons
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
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
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
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
July
Plant or sow outdoors: bermudagrass, centipedegrass, green onions, st. augustinegrass, zinnias, zoysiagrass
Plant for fall: brussels sprouts
August
Plant for fall: bearded irises, beets, broccoli, brussels sprouts, cabbages, carrots, cauliflower, collard greens, lettuce, peas, radishes, snapdragons, spinach, swiss chard, turnips
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
October
Plant for fall: crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, kale, lilies, ornamental alliums, peonies, radishes, saffron, tulips
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 code | Zone | Weather station | Typical last frost | Typical first frost |
|---|---|---|---|---|
| 16501 | 7a | Erie International Airport, 5.6 mi WSW | Apr 26 | Nov 4 |
| 16502 | 6b | Erie International Airport, 4.7 mi WSW | Apr 26 | Nov 4 |
| 16503 | 6b | Erie International Airport, 7 mi WSW | Apr 26 | Nov 4 |
| 16504 | 6b | Erie International Airport, 7.1 mi WSW | Apr 26 | Nov 4 |
| 16505 | 7a | Erie International Airport, 3.9 mi SW | Apr 26 | Nov 4 |
| 16507 | 7a | Erie International Airport, 6.5 mi SW | Apr 26 | Nov 4 |
| 16508 | 6b | Erie International Airport, 4.8 mi WSW | Apr 26 | Nov 4 |
| 16509 | 6b | Erie International Airport, 7.1 mi W | Apr 26 | Nov 4 |
| 16510 | 6b | Erie International Airport, 11.8 mi W | Apr 26 | Nov 4 |
| 16511 | 7a | Erie International Airport, 10.9 mi WSW | Apr 26 | Nov 4 |
Planting dates for popular crops in Erie
| Plant | Start indoors | Plant or sow outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Mar 25 to Apr 8 | May 20 to Jun 3 | — |
| Strawberries | — | Mar 15 to 29 | — |
| Lettuce | Mar 1 to 15 | Apr 19 to May 3 | Aug 5 to Sep 9 |
| Cilantro | Mar 15 to 29 | Apr 26 to May 3 | — |
| Basil | Apr 1 to 15 | May 20 to 27 | — |
| Potatoes | — | Apr 22 to 29 | — |
| Garlic | — | Mar 15 to 29 | Nov 4 to 18 |
| Onions | Jan 4 to Feb 15 | Mar 29 to Apr 12 | — |
| Cucumbers | Apr 22 to May 6 | May 20 to Jun 3 | — |
| Pumpkins | Apr 22 to May 6 | May 20 to Jun 3 | — |
| Peppers | Mar 4 to Apr 1 | May 20 to Jun 3 | — |
| Carrots | — | Apr 5 to 26 | Aug 12 to Sep 2 |
| Sweet Potatoes | — | Jun 4 to 11 | — |
| Watermelons | Apr 15 to 29 | May 20 to Jun 3 | — |
| Sweet Corn | — | Apr 26 to May 10 | — |
| Green Beans | — | May 20 to Jun 3 | — |
| Zucchini | Apr 22 to May 6 | May 20 to Jun 3 | — |
| Broccoli | Feb 8 to Mar 1 | Mar 29 to Apr 12 | Aug 19 to Sep 16 |
| Peas | — | Mar 15 to 29 | Aug 12 to 26 |
| Spinach | Mar 15 to 22 | Apr 19 to May 3 | Aug 26 to Sep 30 |
| Sunflowers | — | Apr 26 to May 17 | — |
| Zinnias | May 25 to Jun 1 | Jun 22 to Jul 6 | — |
| Tulips | — | — | Sep 23 to Nov 18 |
| Daffodils | — | — | Sep 23 to Nov 4 |
| Grass Seed | — | Mar 15 to 29 | Sep 23 to Oct 7 |
Nearby cities
- Youngstown, OH zone 6a, last frost May 1
- Buffalo, NY zone 6b, last frost Apr 24
- Cleveland, OH zone 6b, last frost Apr 8
- Parma, OH zone 6b, last frost Apr 8
- Cuyahoga Falls, OH zone 6b, last frost Apr 24
- Akron, OH zone 6b, last frost Apr 24
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.