Maryland City, MD planting zone & frost dates
Maryland City is in USDA hardiness zone 7b. The last spring frost usually comes around April 5 and the first fall frost around November 9, for a growing season of about 218 days.
Planting calendar for Maryland City
Dates are counted from the average last spring frost (April 5) 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 8 – Feb 22 Transplant outdoors: Apr 12 – Apr 19 |
| Peppers | Start seeds indoors: Jan 25 – Feb 8 Transplant outdoors: Apr 19 – Apr 26 |
| Eggplant | Start seeds indoors: Jan 25 – Feb 8 Transplant outdoors: Apr 19 – Apr 26 |
| Broccoli | Start seeds indoors: Jan 25 – Feb 8 Transplant outdoors: Mar 8 – Mar 22 |
| Cabbage | Start seeds indoors: Jan 25 – Feb 8 Transplant outdoors: Mar 8 – Mar 22 |
| Onions (sets) | Plant outdoors: Mar 8 – Mar 22 |
| Peas | Sow outdoors: Feb 22 – Mar 8 |
| Spinach | Sow outdoors: Feb 22 – Mar 8 |
| Lettuce | Sow outdoors: Mar 8 – Mar 22 |
| Carrots | Sow outdoors: Mar 8 – Mar 22 |
| Potatoes | Plant outdoors: Mar 8 – Mar 22 |
| Beans | Sow outdoors: Apr 12 – Apr 19 |
| Sweet corn | Sow outdoors: Apr 12 – Apr 19 |
| Cucumbers | Sow outdoors: Apr 12 – Apr 19 |
| Squash & zucchini | Sow outdoors: Apr 12 – Apr 19 |
| Basil | Start seeds indoors: Feb 22 – Mar 8 Transplant outdoors: Apr 12 – Apr 19 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 14 (8 weeks before the average first fall frost on Nov 9).
Useful for zone 7b 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 21 | Apr 5 | Apr 19 |
| First 32°F frost in fall is before | Nov 24 | Nov 9 | Oct 27 |
How to read it: in spring there is a 10% chance of a frost after April 19, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 27. A hard freeze (28°F) usually ends around March 25.
Nearby cities
- Laurel zone 7b, last frost Apr 5
- South Laurel zone 7b, last frost Apr 5
- Scaggsville zone 7b, last frost Apr 5
- Glenn Dale zone 7b, last frost Apr 22
- Greenbelt zone 7b, last frost Apr 10
- Beltsville zone 7b, last frost Apr 10
- Odenton zone 7b, last frost Apr 10
- Seabrook zone 7b, last frost Apr 22
Questions
What growing zone is Maryland City, MD?
Maryland City is in USDA Plant Hardiness Zone 7b (average extreme winter low 5°F to 10°F), according to the USDA 2023 map.
When is the last frost in Maryland City?
The average last spring frost (32°F) in Maryland City is April 5. There is still a 10% chance of frost until April 19.
When can I plant tomatoes in Maryland City?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 12 – Apr 19. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Laurel 3 W, MD (USC00185111), 7.2 km (4.5 mi) from the city center, elevation 122 m, based on 18 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.