When to plant in Reisterstown, MD
USDA Zone 7aReisterstown, Maryland frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Heads up: the nearest complete-normals station is about 18 km from Reisterstown, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. Zone 7a means many perennials and even some tender shrubs overwinter in Reisterstown, while your frost dates still decide when annuals go out.
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 Reisterstown’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 Reisterstown, 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.
Reisterstown planting FAQ
When is the last spring frost in Reisterstown, MD?
Reisterstown's average last spring frost falls near April 2 — 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 Reisterstown, MD?
In Reisterstown, the first 32°F freeze of fall lands around November 7 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Reisterstown in?
Reisterstown is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Reisterstown?
There are roughly 219 frost-free days in Reisterstown (a long growing season), running from the average last frost around April 2 to the first fall frost near November 7.
When should I plant tomatoes in Reisterstown?
In Reisterstown, start tomato seeds indoors around February 5–February 19, then transplant seedlings outdoors around April 9 once the danger of frost has passed.
Never miss a window in Reisterstown
An email when it’s time to start seeds, transplant, and sow — timed to Reisterstown’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Owings Mills · 5 km
- Randallstown · 9 km
- Pikesville · 12 km
- Milford Mill · 12 km
- Eldersburg · 13 km
- Mays Chapel · 14 km
- Lochearn · 14 km
- Cockeysville · 16 km
Frost dates recorded at CYLBURN, 18 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 Reisterstown, MD — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00182308. Retrieved from https://blissgarden.com/maryland/reisterstown.