Levittown, PA planting zone & frost dates
Levittown is in USDA hardiness zone 7a. The last spring frost usually comes around April 21 and the first fall frost around October 25, for a growing season of about 185 days.
Planting calendar for Levittown
Dates are counted from the average last spring frost (April 21) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Feb 24 – Mar 10 Transplant outdoors: Apr 28 – May 5 |
| Peppers | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: May 5 – May 12 |
| Eggplant | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: May 5 – May 12 |
| Broccoli | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: Mar 24 – Apr 7 |
| Cabbage | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: Mar 24 – Apr 7 |
| Onions (sets) | Plant outdoors: Mar 24 – Apr 7 |
| Peas | Sow outdoors: Mar 10 – Mar 24 |
| Spinach | Sow outdoors: Mar 10 – Mar 24 |
| Lettuce | Sow outdoors: Mar 24 – Apr 7 |
| Carrots | Sow outdoors: Mar 24 – Apr 7 |
| Potatoes | Plant outdoors: Mar 24 – Apr 7 |
| Beans | Sow outdoors: Apr 28 – May 5 |
| Sweet corn | Sow outdoors: Apr 28 – May 5 |
| Cucumbers | Sow outdoors: Apr 28 – May 5 |
| Squash & zucchini | Sow outdoors: Apr 28 – May 5 |
| Basil | Start seeds indoors: Mar 10 – Mar 24 Transplant outdoors: Apr 28 – May 5 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Aug 30 (8 weeks before the average first fall frost on Oct 25).
Useful for zone 7a gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Apr 6 | Apr 21 | May 7 |
| First 32°F frost in fall is before | Nov 5 | Oct 25 | Oct 11 |
How to read it: in spring there is a 10% chance of a frost after May 7, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 11. A hard freeze (28°F) usually ends around April 8.
Hardiness zone by ZIP code in Levittown
- 19054 zone 7a
- 19055 zone 7b
- 19056 zone 7a
- 19057 zone 7b
- 19058 zone 7a
Nearby cities
- Bensalem zone 7b, last frost Apr 21
- Willow Grove zone 7b, last frost Apr 11
- Abington zone 7b, last frost Apr 11
- Horsham zone 7a, last frost Apr 11
- Philadelphia zone 7b, last frost Mar 30
- Montgomeryville zone 7a, last frost Apr 11
- Lansdale zone 7a, last frost Apr 24
- Yeadon zone 7b, last frost Mar 30
Questions
What growing zone is Levittown, PA?
Levittown is in USDA Plant Hardiness Zone 7a (average extreme winter low 0°F to 5°F), according to the USDA 2023 map. Some ZIP codes of the city fall in zone 7b.
When is the last frost in Levittown?
The average last spring frost (32°F) in Levittown is April 21. There is still a 10% chance of frost until May 7.
When can I plant tomatoes in Levittown?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 28 – May 5. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Neshaminy Falls, PA (USC00366194), 10.6 km (6.6 mi) from the city center, elevation 12 m, based on 25 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.