Lexington Park, MD planting zone & frost dates
Lexington Park is in USDA hardiness zone 8a. The last spring frost usually comes around March 29 and the first fall frost around November 15, for a growing season of about 230 days.
Planting calendar for Lexington Park
Dates are counted from the average last spring frost (March 29) 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 1 – Feb 15 Transplant outdoors: Apr 5 – Apr 12 |
| Peppers | Start seeds indoors: Jan 18 – Feb 1 Transplant outdoors: Apr 12 – Apr 19 |
| Eggplant | Start seeds indoors: Jan 18 – Feb 1 Transplant outdoors: Apr 12 – Apr 19 |
| Broccoli | Start seeds indoors: Jan 18 – Feb 1 Transplant outdoors: Mar 1 – Mar 15 |
| Cabbage | Start seeds indoors: Jan 18 – Feb 1 Transplant outdoors: Mar 1 – Mar 15 |
| Onions (sets) | Plant outdoors: Mar 1 – Mar 15 |
| Peas | Sow outdoors: Feb 15 – Mar 1 |
| Spinach | Sow outdoors: Feb 15 – Mar 1 |
| Lettuce | Sow outdoors: Mar 1 – Mar 15 |
| Carrots | Sow outdoors: Mar 1 – Mar 15 |
| Potatoes | Plant outdoors: Mar 1 – Mar 15 |
| Beans | Sow outdoors: Apr 5 – Apr 12 |
| Sweet corn | Sow outdoors: Apr 5 – Apr 12 |
| Cucumbers | Sow outdoors: Apr 5 – Apr 12 |
| Squash & zucchini | Sow outdoors: Apr 5 – Apr 12 |
| Basil | Start seeds indoors: Feb 15 – Mar 1 Transplant outdoors: Apr 5 – Apr 12 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 20 (8 weeks before the average first fall frost on Nov 15).
Useful for zone 8a 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 | Mar 15 | Mar 29 | Apr 10 |
| First 32°F frost in fall is before | Dec 1 | Nov 15 | Nov 1 |
How to read it: in spring there is a 10% chance of a frost after April 10, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 1. A hard freeze (28°F) usually ends around March 18.
Hardiness zone by ZIP code in Lexington Park
- 20653 zone 8a
Nearby cities
- California zone 7b, last frost Mar 22
- Chesapeake Ranch Estates zone 8a, last frost Mar 22
- Chesapeake Ranch Estates-Drum Point zone 8a, last frost Mar 22
- Cambridge zone 8a, last frost Apr 1
- St. Charles zone 7b, last frost Apr 17
- Saint Charles zone 7b, last frost Apr 3
- Waldorf zone 7b, last frost Apr 3
- Rosaryville zone 7b, last frost Apr 9
Questions
What growing zone is Lexington Park, MD?
Lexington Park is in USDA Plant Hardiness Zone 8a (average extreme winter low 10°F to 15°F), according to the USDA 2023 map.
When is the last frost in Lexington Park?
The average last spring frost (32°F) in Lexington Park is March 29. There is still a 10% chance of frost until April 10.
When can I plant tomatoes in Lexington Park?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 5 – Apr 12. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Patuxent River Nas, MD (USW00013721), 4.9 km (3.0 mi) from the city center, elevation 12 m, based on 26 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.