When to plant in North Laurel, MD
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in North Laurel, Maryland — is derived from the closest NOAA station with complete climate normals.
Zone 7b means many perennials and even some tender shrubs overwinter in North 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 North 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 North Laurel, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 15 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.
North Laurel planting FAQ
When is the last spring frost in North Laurel, MD?
North Laurel's average last spring frost falls near April 5 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in North Laurel, MD?
Expect North Laurel's first fall frost near November 9 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is North Laurel in?
North 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 North Laurel?
There are roughly 218 frost-free days in North 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 North Laurel?
In North 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 North Laurel
An email when it’s time to start seeds, transplant, and sow — timed to North Laurel’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Scaggsville · 3 km
- Laurel · 4 km
- Maryland City · 5 km
- South Laurel · 7 km
- Burtonsville · 8 km
- Columbia · 8 km
- Fort Meade · 9 km
- Fairland · 11 km
Frost dates recorded at LAUREL 3 W, 7 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 North Laurel, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00185111. Retrieved from https://blissgarden.com/maryland/north-laurel.