When to plant in Mayfield Heights, OH
USDA Zone 6aMayfield Heights, Ohio frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Mayfield Heights's nearest full-normals station sits about 17 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. In zone 6a, Mayfield Heights gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
KIRTLAND-HOLDEN 2 · 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 Mayfield Heights’s own odds, recorded at KIRTLAND-HOLDEN 2.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 24 | May 7 | Apr 23 | Oct 2 | Oct 17 | Nov 1 |
| 32°F | May 14 | Apr 26 | Apr 11 | Oct 15 | Oct 31 | Nov 13 |
| 28°F | Apr 30 | Apr 16 | Mar 31 | Nov 1 | Nov 10 | Nov 26 |
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 Mayfield Heights, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Mayfield Heights planting FAQ
When is the last spring frost in Mayfield Heights, OH?
Mayfield Heights's average last spring frost falls near April 26 — 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 Mayfield Heights, OH?
In Mayfield Heights, the first 32°F freeze of fall lands around October 31 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Mayfield Heights in?
Mayfield Heights is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Mayfield Heights?
Mayfield Heights has about 188 frost-free days — a moderate growing season — between the average last spring frost (April 26) and first fall frost (October 31).
When should I plant tomatoes in Mayfield Heights?
For Mayfield Heights, sow tomatoes indoors about March 1–March 15 and move the seedlings out around May 3, after the last spring frost.
Never miss a window in Mayfield Heights
An email when it’s time to start seeds, transplant, and sow — timed to Mayfield Heights’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lyndhurst · 3 km
- South Euclid · 6 km
- Beachwood · 6 km
- Richmond Heights · 7 km
- University Heights · 7 km
- Cleveland Heights · 9 km
- Shaker Heights · 9 km
- Euclid · 10 km
Frost dates recorded at KIRTLAND-HOLDEN 2, 17 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 Mayfield Heights, OH — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00334260. Retrieved from https://blissgarden.com/ohio/mayfield-heights.