When to plant in South Laurel, MD
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for South Laurel, Maryland — all computed from South Laurel's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in South Laurel, while your frost dates still decide when annuals go out.
Frost probability
LAUREL 3 W · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are South Laurel’s own odds, recorded at LAUREL 3 W.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 2 | Apr 17 | Apr 2 | Oct 16 | Oct 29 | Nov 11 |
| 32°F | Apr 19 | Apr 5 | Mar 21 | Oct 27 | Nov 9 | Nov 24 |
| 28°F | Apr 8 | Mar 25 | Mar 10 | Nov 5 | Nov 21 | Dec 8 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in South Laurel, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
South Laurel planting FAQ
When is the last spring frost in South Laurel, MD?
Plan for the last spring frost in South Laurel around April 5 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in South Laurel, MD?
In South Laurel, the first 32°F freeze of fall lands around November 9 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is South Laurel in?
South Laurel is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in South Laurel?
There are roughly 218 frost-free days in South Laurel (a long growing season), running from the average last frost around April 5 to the first fall frost near November 9.
When should I plant tomatoes in South Laurel?
In South Laurel, start tomato seeds indoors around February 8–February 22, then transplant seedlings outdoors around April 12 once the danger of frost has passed.
Never miss a window in South Laurel
An email when it’s time to start seeds, transplant, and sow — timed to South Laurel’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Laurel · 4 km
- Maryland City · 6 km
- Beltsville · 7 km
- North Laurel · 7 km
- Greenbelt · 8 km
- Seabrook · 9 km
- Calverton · 9 km
- Scaggsville · 9 km
Frost dates recorded at LAUREL 3 W, 5 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in South Laurel, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00185111. Retrieved from https://blissgarden.com/maryland/south-laurel.