When to plant in North Merrick, NY
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in North Merrick, New York — is derived from the closest NOAA station with complete climate normals.
Zone 7b means many perennials and even some tender shrubs overwinter in North Merrick, while your frost dates still decide when annuals go out.
Frost probability
WANTAGH CEDAR CREEK · 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 Merrick’s own odds, recorded at WANTAGH CEDAR CREEK.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 16 | Apr 4 | Oct 17 | Oct 30 | Nov 12 |
| 32°F | Apr 18 | Apr 3 | Mar 19 | Oct 31 | Nov 11 | Nov 30 |
| 28°F | Apr 5 | Mar 22 | Mar 5 | Nov 8 | Nov 23 | Dec 11 |
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 Merrick, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 8 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 Merrick planting FAQ
When is the last spring frost in North Merrick, NY?
Plan for the last spring frost in North Merrick around April 3 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in North Merrick, NY?
In North Merrick, the first 32°F freeze of fall lands around November 11 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is North Merrick in?
North Merrick 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 Merrick?
There are roughly 222 frost-free days in North Merrick (a long growing season), running from the average last frost around April 3 to the first fall frost near November 11.
When should I plant tomatoes in North Merrick?
In North Merrick, start tomato seeds indoors around February 6–February 20, then transplant seedlings outdoors around April 10 once the danger of frost has passed.
Never miss a window in North Merrick
An email when it’s time to start seeds, transplant, and sow — timed to North Merrick’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- North Bellmore · 2 km
- Roosevelt · 2 km
- East Meadow · 4 km
- North Wantagh · 4 km
- Merrick · 4 km
- Bellmore · 4 km
- Uniondale · 4 km
- Freeport · 5 km
Frost dates recorded at WANTAGH CEDAR CREEK, 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 North Merrick, NY — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00308946. Retrieved from https://blissgarden.com/new-york/north-merrick.