When to plant in Rockville Centre, NY
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Rockville Centre, New York — all computed from Rockville Centre's nearest NOAA weather station.
In zone 7b, Rockville Centre supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
OCEANSIDE · 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 Rockville Centre’s own odds, recorded at OCEANSIDE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 7 | Apr 22 | Apr 7 | Oct 14 | Oct 29 | Nov 11 |
| 32°F | Apr 26 | Apr 7 | Mar 24 | Oct 27 | Nov 8 | Nov 23 |
| 28°F | Apr 9 | Mar 27 | Mar 10 | Nov 7 | Nov 21 | 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 Rockville Centre, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 11 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.
Rockville Centre planting FAQ
When is the last spring frost in Rockville Centre, NY?
Rockville Centre's average last spring frost falls near April 7 — 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 Rockville Centre, NY?
Expect Rockville Centre's first fall frost near November 8 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Rockville Centre in?
Rockville Centre 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 Rockville Centre?
Rockville Centre has about 215 frost-free days — a long growing season — between the average last spring frost (April 7) and first fall frost (November 8).
When should I plant tomatoes in Rockville Centre?
For Rockville Centre, sow tomatoes indoors about February 10–February 24 and move the seedlings out around April 14, after the last spring frost.
Never miss a window in Rockville Centre
An email when it’s time to start seeds, transplant, and sow — timed to Rockville Centre’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Baldwin · 3 km
- Lynbrook · 3 km
- East Rockaway · 3 km
- Oceanside · 3 km
- West Hempstead · 4 km
- Freeport · 5 km
- Hempstead · 5 km
- Roosevelt · 5 km
Frost dates recorded at OCEANSIDE, 4 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 Rockville Centre, NY — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00306138. Retrieved from https://blissgarden.com/new-york/rockville-centre.