When to plant in Lexington Park, MD
USDA Zone 8aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Lexington Park, Maryland — all computed from Lexington Park's nearest NOAA weather station.
In zone 8a, Lexington Park supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
PATUXENT RIVER NAS · 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 Lexington Park’s own odds, recorded at PATUXENT RIVER NAS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 24 | Apr 9 | Mar 28 | Oct 21 | Nov 2 | Nov 16 |
| 32°F | Apr 10 | Mar 29 | Mar 15 | Nov 1 | Nov 15 | Dec 1 |
| 28°F | Apr 1 | Mar 18 | Feb 28 | Nov 10 | Nov 29 | Dec 18 |
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 Lexington Park, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 12 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.
Lexington Park planting FAQ
When is the last spring frost in Lexington Park, MD?
On average, the last spring frost in Lexington Park is around March 29 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Lexington Park, MD?
In Lexington Park, the first 32°F freeze of fall lands around November 15 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Lexington Park in?
Lexington Park is in USDA hardiness zone 8a. In zone 8a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Lexington Park?
Lexington Park has about 231 frost-free days — a long growing season — between the average last spring frost (March 29) and first fall frost (November 15).
When should I plant tomatoes in Lexington Park?
For Lexington Park, sow tomatoes indoors about February 1–February 15 and move the seedlings out around April 5, after the last spring frost.
Never miss a window in Lexington Park
An email when it’s time to start seeds, transplant, and sow — timed to Lexington Park’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- California · 7 km
- Cambridge · 47 km
- La Plata · 56 km
- Waldorf · 58 km
- Brandywine · 62 km
- Bensville · 63 km
- Marlton · 64 km
- Rosaryville · 67 km
Frost dates recorded at PATUXENT RIVER NAS, 6 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 Lexington Park, MD — Frost Dates & Zone 8a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013721. Retrieved from https://blissgarden.com/maryland/lexington-park.