When to plant in University Heights, OH
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for University Heights, Ohio — all computed from University Heights's nearest NOAA weather station.
Zone 6b means University Heights sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
CLEVELAND BURKE AP · 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 University Heights’s own odds, recorded at CLEVELAND BURKE AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 1 | Apr 20 | Apr 8 | Oct 21 | Nov 3 | Nov 14 |
| 32°F | Apr 20 | Apr 8 | Mar 29 | Nov 1 | Nov 12 | Nov 28 |
| 28°F | Apr 13 | Apr 1 | Mar 16 | Nov 7 | Nov 22 | Dec 8 |
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 University Heights, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 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.
University Heights planting FAQ
When is the last spring frost in University Heights, OH?
On average, the last spring frost in University Heights is around April 8 (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 University Heights, OH?
In University Heights, the first 32°F freeze of fall lands around November 12 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is University Heights in?
University Heights is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in University Heights?
There are roughly 218 frost-free days in University Heights (a long growing season), running from the average last frost around April 8 to the first fall frost near November 12.
When should I plant tomatoes in University Heights?
In University Heights, start tomato seeds indoors around February 11–February 25, then transplant seedlings outdoors around April 15 once the danger of frost has passed.
Never miss a window in University Heights
An email when it’s time to start seeds, transplant, and sow — timed to University Heights’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Shaker Heights · 2 km
- Cleveland Heights · 3 km
- Beachwood · 3 km
- South Euclid · 3 km
- Lyndhurst · 4 km
- East Cleveland · 5 km
- Warrensville Heights · 6 km
- Mayfield Heights · 7 km
Frost dates recorded at CLEVELAND BURKE AP, 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 University Heights, OH — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00004853. Retrieved from https://blissgarden.com/ohio/university-heights.