When to plant in Carney, MD
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Carney, Maryland — all computed from Carney's nearest NOAA weather station.
In zone 7b, Carney supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
CYLBURN · 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 Carney’s own odds, recorded at CYLBURN.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 1 | Apr 14 | Apr 2 | Oct 13 | Oct 27 | Nov 9 |
| 32°F | Apr 13 | Apr 2 | Mar 20 | Oct 27 | Nov 7 | Nov 21 |
| 28°F | Apr 3 | Mar 22 | Mar 8 | Nov 6 | Nov 20 | Dec 7 |
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 Carney, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 30 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.
Carney planting FAQ
When is the last spring frost in Carney, MD?
On average, the last spring frost in Carney is around April 2 (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 Carney, MD?
Expect Carney's first fall frost near November 7 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Carney in?
Carney 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 Carney?
Carney has about 219 frost-free days — a long growing season — between the average last spring frost (April 2) and first fall frost (November 7).
When should I plant tomatoes in Carney?
For Carney, sow tomatoes indoors about February 5–February 19 and move the seedlings out around April 9, after the last spring frost.
Never miss a window in Carney
An email when it’s time to start seeds, transplant, and sow — timed to Carney’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Parkville · 3 km
- Perry Hall · 4 km
- Overlea · 5 km
- White Marsh · 6 km
- Rossville · 7 km
- Honeygo · 8 km
- Timonium · 8 km
- Towson · 8 km
Frost dates recorded at CYLBURN, 13 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 Carney, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00182308. Retrieved from https://blissgarden.com/maryland/carney.