When to plant in Fallston, MD
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Fallston, Maryland — all computed from Fallston's nearest NOAA weather station.
These dates come from a station roughly 24 km away, the closest with full normals; terrain around Fallston (elevation, water, pavement) can move your real frost dates a few days either way. In zone 7b, Fallston supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
ABERDEEN PHILLIPS FLD · 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 Fallston’s own odds, recorded at ABERDEEN PHILLIPS FLD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 12 | Apr 27 | Apr 9 | Oct 5 | Oct 19 | Nov 1 |
| 32°F | Apr 30 | Apr 10 | Mar 27 | Oct 14 | Oct 30 | Nov 12 |
| 28°F | Apr 12 | Mar 29 | Mar 13 | Oct 28 | Nov 10 | Nov 27 |
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 Fallston, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 27 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.
Fallston planting FAQ
When is the last spring frost in Fallston, MD?
Fallston's average last spring frost falls near April 10 — 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 Fallston, MD?
Expect Fallston's first fall frost near October 30 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Fallston in?
Fallston 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 Fallston?
Fallston has about 203 frost-free days — a moderate growing season — between the average last spring frost (April 10) and first fall frost (October 30).
When should I plant tomatoes in Fallston?
For Fallston, sow tomatoes indoors about February 13–February 27 and move the seedlings out around April 17, after the last spring frost.
Never miss a window in Fallston
An email when it’s time to start seeds, transplant, and sow — timed to Fallston’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Bel Air North · 6 km
- Bel Air · 8 km
- Bel Air South · 11 km
- Honeygo · 14 km
- Perry Hall · 15 km
- Joppatowne · 15 km
- Carney · 16 km
- White Marsh · 17 km
Frost dates recorded at ABERDEEN PHILLIPS FLD, 24 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 Fallston, MD — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013701. Retrieved from https://blissgarden.com/maryland/fallston.