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Gardening by county
Pennsylvania Gardening by County
Frost dates, planting zones and planting calendars for all 67 Pennsylvania counties. The last spring frost ranges from Mar 30 (Delaware County) to May 22 (Warren County), and USDA zones run from 5b to 8a.
Photo: Golden meadow below the wooded knob of Sugarcamp Mountain on State Game Lands 133, Lycoming County. Nicholas A. Tonelli, CC BY 2.0, via Flickr
Pennsylvania garden tools
What to plant now in Pennsylvania
What the extension calendar says to plant this week where you live.
Pennsylvania lawn care calendar: which lawn grass to grow and when to seed it, from Penn State Extension publications.
Pennsylvania invasive plants: which landscape plants may not be sold, from state rules.
Pennsylvania native plants: official native plant lists, with the pollinator plants marked.
Frost and seasons across Pennsylvania
Season length by county: shortest Warren at 131 days, longest Philadelphia at 232 days. The earliest average first frost is Sep 30 in Warren County and the latest is Nov 17 in Philadelphia County.
The Penn State Extension Master Gardener guides used here are written for a May 1 last frost, so each Pennsylvania county's dates are shifted by its own NOAA frost dates; Philadelphia uses the Philadelphia guide as published.
There are 64 NOAA stations behind the county frost dates on this site. The most common USDA zones are 6b (22 counties), 6a (22 counties), 7a (16 counties).
When to plant in Pennsylvania
- When to plant tomatoes
- When to plant peppers
- When to plant potatoes
- When to plant sweet potatoes
- When to plant sweet corn
- When to plant green beans
- When to plant lima beans
- When to plant peas
- When to plant southern peas
- When to plant cucumbers
- When to plant squash
- When to plant winter squash
- When to plant pumpkins
- When to plant watermelon
- When to plant cantaloupe
- When to plant okra
- When to plant eggplant
- When to plant lettuce
- When to plant spinach
- When to plant kale
- When to plant collard greens
- When to plant mustard greens
- When to plant turnips
- When to plant swiss chard
- When to plant cabbage
- When to plant broccoli
- When to plant cauliflower
- When to plant brussels sprouts
- When to plant kohlrabi
- When to plant carrots
- When to plant beets
- When to plant radishes
- When to plant onions
- When to plant garlic
- When to plant leeks
- When to plant asparagus
- When to plant basil
- When to plant parsley
Pennsylvania counties
- Adams CountyZone 7a, last frost Apr 24
- Allegheny CountyZone 6b, last frost Apr 24
- Armstrong CountyZone 6b, last frost May 4
- Beaver CountyZone 6b, last frost Apr 28
- Bedford CountyZone 6b, last frost Apr 29
- Berks CountyZone 7a, last frost Apr 10
- Blair CountyZone 6b, last frost Apr 25
- Bradford CountyZone 6a, last frost May 2
- Bucks CountyZone 7a, last frost Apr 13
- Butler CountyZone 6a, last frost May 7
- Cambria CountyZone 6a, last frost May 17
- Cameron CountyZone 5b, last frost May 7
- Carbon CountyZone 6b, last frost May 7
- Centre CountyZone 6b, last frost Apr 20
- Chester CountyZone 7a, last frost Apr 19
- Clarion CountyZone 6a, last frost May 9
- Clearfield CountyZone 6a, last frost May 4
- Clinton CountyZone 6a, last frost Apr 30
- Columbia CountyZone 6b, last frost May 4
- Crawford CountyZone 6a, last frost Apr 30
- Cumberland CountyZone 7a, last frost Apr 23
- Dauphin CountyZone 7a, last frost May 1
- Delaware CountyZone 7b, last frost Mar 30
- Elk CountyZone 5b, last frost May 13
- Erie CountyZone 6a, last frost Apr 26
- Fayette CountyZone 6b, last frost Apr 30
- Forest CountyZone 6a, last frost May 1
- Franklin CountyZone 7a, last frost Apr 18
- Fulton CountyZone 7a, last frost Apr 27
- Greene CountyZone 6b, last frost May 3
- Huntingdon CountyZone 6b, last frost Apr 19
- Indiana CountyZone 6b, last frost May 8
- Jefferson CountyZone 6a, last frost May 6
- Juniata CountyZone 7a, last frost Apr 21
- Lackawanna CountyZone 6a, last frost Apr 23
- Lancaster CountyZone 7a, last frost Apr 19
- Lawrence CountyZone 6a, last frost Apr 30
- Lebanon CountyZone 7a, last frost Apr 20
- Lehigh CountyZone 7a, last frost Apr 20
- Luzerne CountyZone 6b, last frost May 7
- Lycoming CountyZone 6a, last frost Apr 25
- McKean CountyZone 5b, last frost May 18
- Mercer CountyZone 6a, last frost May 15
- Mifflin CountyZone 6b, last frost Apr 21
- Monroe CountyZone 6b, last frost May 6
- Montgomery CountyZone 7a, last frost Apr 24
- Montour CountyZone 6b, last frost Apr 26
- Northampton CountyZone 7a, last frost Apr 18
- Northumberland CountyZone 6b, last frost Apr 30
- Perry CountyZone 7a, last frost Apr 18
- Philadelphia CountyZone 7b, last frost Mar 30
- Pike CountyZone 6a, last frost May 10
- Potter CountyZone 5b, last frost May 14
- Schuylkill CountyZone 6b, last frost Apr 30
- Snyder CountyZone 6b, last frost Apr 25
- Somerset CountyZone 6a, last frost May 12
- Sullivan CountyZone 6a, last frost May 6
- Susquehanna CountyZone 5b, last frost May 14
- Tioga CountyZone 6a, last frost May 10
- Union CountyZone 6b, last frost Apr 25
- Venango CountyZone 6a, last frost May 2
- Warren CountyZone 6a, last frost May 22
- Washington CountyZone 6b, last frost Apr 24
- Wayne CountyZone 6a, last frost May 14
- Westmoreland CountyZone 6b, last frost May 1
- Wyoming CountyZone 6a, last frost Apr 23
- York CountyZone 7a, last frost Apr 26
Pennsylvania at a glance
When to plant in Pennsylvania: crop by crop
Planting dates for each crop in Pennsylvania, from the Penn State Extension calendar.
Kale
Spinach
Cabbage
Sweet Potatoes
Lima Beans
Southern Peas
Winter Squash
Cantaloupe
Eggplant
Collard Greens
Mustard Greens
Turnips
Swiss Chard
Cauliflower
Brussels Sprouts
Kohlrabi
Beets
Radishes
Leeks
Asparagus
Basil
ParsleyPennsylvania gardening questions
What is the last freeze date in Pennsylvania?
NOAA 1991-2020 normals put it between Mar 30 and May 22, earliest in Delaware County.
What growing zone is Pennsylvania?
From 5b to 8a; the most common are 6b (22 counties), 6a (22 counties), 7a (16 counties).
What is in season to plant in Pennsylvania right now?
Use the county picker on what to plant now.
Who publishes these dates?
NOAA (frost), USDA ARS (zones) and Penn State Extension (planting dates). The sources page lists each publication.
Photos: Golden meadow below the wooded knob of Sugarcamp Mountain on State Game Lands 133, Lycoming County: Nicholas A. Tonelli, CC BY 2.0, via Flickr; Autumn view south down the Lycoming Creek valley from a mountain ledge on State Game Lands 133, Lycoming County: Nicholas A. Tonelli, CC BY 2.0, via Flickr; Reclaimed grassland of the German Settlement area overlooking the Beech Creek drainage on State Game Lands 100, Centre County: Nicholas A. Tonelli, CC BY 2.0, via Flickr; Autumn meadow below Chestnut Ridge on State Game Lands 168, Monroe County: Nicholas A. Tonelli, CC BY 2.0, via Flickr; Red barns and silos beyond a field in Washington Township, Erie County: Nicholas A. Tonelli, CC BY 2.0, via Flickr; Unripe green tomato on the plant: Microrao, CC BY-SA 4.0, via Wikimedia Commons; Pepper plant in a kitchen garden loaded with green, yellow and red peppers: NPS, Public domain, via Wikimedia Commons; Potato plants growing in a home garden: Geo Lightspeed7, CC BY-SA 4.0, via Wikimedia Commons; Rows of sweet corn in a field: Wee Hong, CC BY-SA 4.0, via Wikimedia Commons; Clusters of long green bean pods hanging from a climbing bean vine: Nirajan_pant, CC BY-SA 3.0, via Wikimedia Commons; Cucumber vines climbing a wooden trellis in a kitchen garden: NPS, Public domain, via Wikimedia Commons; Squash plant with yellow blossoms and spreading stems in a straw-mulched garden: Mary O'Neill, Public domain, via Wikimedia Commons; Lettuce plants growing in rows: AfroBrazilian, CC BY-SA 3.0, via Wikimedia Commons; Long rows of green onion plants growing in sandy farm soil: ליזי שאנן, CC BY 2.5, via Wikimedia Commons; Neat rows of young garlic shoots growing in dark tilled soil: Timothy A. Gonsalves, CC BY-SA 4.0, via Wikimedia Commons; Pea plants growing up supports in a garden: Kolforn (Kolforn), CC BY-SA 4.0, via Wikimedia Commons; Young watermelon plant in a garden: Forest and Kim Starr, CC BY 3.0 us, via Wikimedia Commons; Green pumpkins growing beneath thick vines and broad leaves in a farm field: USDAgov, Public domain, via Wikimedia Commons; Green broccoli head growing in the center of a leafy plant: Pinakpani, CC BY-SA 4.0, via Wikimedia Commons; Rows of carrots growing between rye windbreak strips in a farm field: Photo by Fred Gasper, USDA Natural Resources Conservation Service, Public domain, via Wikimedia Commons; Upright okra plant with several green pods against a clear blue sky: Wilfredor, CC0, via Wikimedia Commons; Kale growing in a summer garden: gunthercox, CC0, via Wikimedia Commons; Close view of a spinach plant with crinkled dark green leaves in soil: Алексей Тараканов, CC BY-SA 2.0, via Wikimedia Commons; Cabbage heads forming among broad outer leaves in a garden plot: SuSanA Secretariat, CC BY 2.0, via Wikimedia Commons; Sweet potato leaves: Forest and Kim Starr, CC BY 3.0 us, via Wikimedia Commons; Lima bean seeds: Filo gèn', CC BY-SA 4.0, via Wikimedia Commons; Dried black-eyed peas: Toby Hudson, CC BY-SA 3.0, via Wikimedia Commons; Dark green winter squash ripening under large silvery-patterned leaves in a garden: Forest and Kim Starr, CC BY 3.0 US, via Wikimedia Commons; Whole and sliced cantaloupes: USDA photo by Scott Bauer. Image Number K7355-11., Public domain, via Wikimedia Commons; Eggplant flower and fruit on the plant: Elmer Centeno Guevarra, CC BY-SA 4.0, via Wikimedia Commons; Bundle of collard greens: Evan-Amos, Public domain, via Wikimedia Commons; Dense bed of leafy mustard greens growing in a farm field: Judgefloro, CC BY-SA 4.0, via Wikimedia Commons; White turnip roots swelling above the soil under leafy green tops: Miya, CC BY-SA 4.0, via Wikimedia Commons; Red-stemmed Swiss chard plants growing in a garden bed with drip line: mercedesfromtheeighties, CC BY-SA 2.0, via Wikimedia Commons; Creamy white cauliflower head growing among large blue-green leaves: Edukeralam,( Navaneeth Krishnan S), CC BY-SA 3.0, via Wikimedia Commons; Field of tall Brussels sprouts plants with sprouts along the stalks: Schlaghecken Josef, CC BY 4.0, via Wikimedia Commons; Rows of young kohlrabi plants growing in a sandy farm field: AnRo0002, CC0, via Wikimedia Commons; Red beets growing in a field with some roots pulled and cut open: Arn, CC BY-SA 4.0, via Wikimedia Commons; Red radish root peeking from dark garden soil beneath green leaves: GT1976, CC BY-SA 4.0, via Wikimedia Commons; Bed of blue-green leeks growing in a walled kitchen garden: Photograph by Mike Peel ( www.mikepeel.net )., CC BY-SA 4.0, via Wikimedia Commons; Rows of feathery asparagus ferns in a commercial asparagus field: User:Morri362, CC BY-SA 3.0, via Wikimedia Commons; Bushy basil plant with glossy green leaves growing in a garden: Castielli, CC BY-SA 3.0, via Wikimedia Commons; Close view of curly parsley growing thick and bright green: Pohled 111, CC BY-SA 4.0, via Wikimedia Commons; Curly kale leaves coated in white frost crystals in a community garden bed: Ruth Hartnup from Vancouver, Canada, CC BY 2.0, via Wikimedia Commons; Hand lifting tomato seedlings with roots from a seed tray for transplanting: Dwight Sipler from Stow, MA, USA, CC BY 2.0, via Wikimedia Commons; Wooden basket of fresh carrots with green tops and red and yellow onions: Markus Spiske, CC0, via Wikimedia Commons; Rows of apple trees in white blossom along a grassy orchard alley: Philip Halling, CC BY-SA 2.0, via Wikimedia Commons.