USDA Hardiness Zone 6a
Frost Dates for 43527 — Holgate, Ohio
NOAA 1991–2020 normals from Napoleon 1SW, OH (670 ft), 9 miles north.
Updated
In Holgate, the last spring frost (32°F) is around April 23 in half of years and has passed by May 9 in nine years out of ten. The first fall frost comes around October 24, as early as October 10 one year in ten, leaving a typical freeze-free season of 183 days (NOAA, Napoleon 1SW, OH).
- Last spring frost
- April 23
- First fall frost
- October 24
- Growing season
- 183 days
- Hardiness zone
- 6a
50% probability
50% probability
freeze-free, 50%
-10 to -5°F (-23.3 to -20.6°C) coldest night
- First snow
- December 5
- Last snow
- March 17
- Winters with snow
- 100%
- Snow per year
- 24.7"
median, 1991–2020
median, 1991–2020
17 of 17 observed
NOAA normal
Frost risk by date in Holgate
Half of springs at Napoleon 1SW, OH see their last 32°F night by April 23; only one in ten is past it by April 8, and one in ten still has one after May 9. Planting tender crops after April 30 leaves a 30% risk of a frost on them, after May 3 20%, and after May 9 10%. The 16 days between the even-odds date and the one-in-ten date is narrower than at 53% of the 148 Ohio stations behind this site's ZIP pages.
In fall the first 32°F night comes by October 24 in half of years, as early as October 10 one year in ten, and holds off past November 6 one year in ten. A hard freeze of 28°F follows 11 days later, around November 4; in spring the one-in-ten date for 28°F is April 28, 11 days before the 32°F one. The freeze-free season lasts 183 days in a typical year, longer than at 59% of the 148 Ohio stations; it reaches 203 days one year in ten and falls short of 162 one year in ten. On average 121 nights a year drop to 32°F or below. Nights of 36°F, when frost can still settle on leaves in low, open spots, continue 11 days longer, to about May 4, and return around October 12. Severe cold of 16°F or below comes every winter, usually between December 5 and March 13.
| Low | 90% | 80% | 70% | 60% | 50% | 40% | 30% | 20% | 10% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Apr 20 | Apr 24 | Apr 28 | May 1 | May 4 | May 7 | May 11 | May 15 | May 19 |
| 32°F | Apr 8 | Apr 13 | Apr 17 | Apr 20 | Apr 23 | Apr 27 | Apr 30 | May 3 | May 9 |
| 28°F | Mar 29 | Apr 2 | Apr 5 | Apr 8 | Apr 11 | Apr 15 | Apr 18 | Apr 22 | Apr 28 |
| 24°F | Mar 17 | Mar 22 | Mar 27 | Mar 30 | Apr 1 | Apr 3 | Apr 6 | Apr 11 | Apr 17 |
| 20°F | Mar 6 | Mar 12 | Mar 15 | Mar 18 | Mar 21 | Mar 25 | Mar 29 | Apr 1 | Apr 6 |
| 16°F | Feb 24 | Mar 2 | Mar 7 | Mar 10 | Mar 13 | Mar 16 | Mar 19 | Mar 24 | Mar 29 |
| Low | 10% | 20% | 30% | 40% | 50% | 60% | 70% | 80% | 90% |
|---|---|---|---|---|---|---|---|---|---|
| 36°F | Sep 30 | Oct 3 | Oct 6 | Oct 9 | Oct 12 | Oct 15 | Oct 18 | Oct 21 | Oct 25 |
| 32°F | Oct 10 | Oct 15 | Oct 19 | Oct 22 | Oct 24 | Oct 26 | Oct 30 | Nov 1 | Nov 6 |
| 28°F | Oct 23 | Oct 27 | Oct 31 | Nov 1 | Nov 4 | Nov 6 | Nov 9 | Nov 13 | Nov 17 |
| 24°F | Nov 3 | Nov 6 | Nov 9 | Nov 11 | Nov 14 | Nov 17 | Nov 21 | Nov 25 | Dec 1 |
| 20°F | Nov 9 | Nov 13 | Nov 17 | Nov 21 | Nov 25 | Nov 28 | Dec 2 | Dec 6 | Dec 12 |
| 16°F | Nov 16 | Nov 23 | Nov 28 | Dec 1 | Dec 5 | Dec 8 | Dec 13 | Dec 19 | Dec 24 |
Freeze probabilities 1991–2020 at Napoleon 1SW, OH, from NOAA NCEI U.S. Climate Normals. Where a temperature is reached in fewer than 99.5% of years, the dates describe only the years that reach it. Not a forecast.
Frost risk on any date in 43527 →Compare Holgate with another place →
Compared with the next station
The nearest other station, Napoleon, OH, 10 miles north of Holgate, has a last frost 1 day later (April 24), a first frost 3 days earlier (October 21), a season 4 days shorter.
When it snows in Holgate, Ohio
The first measurable snow (0.1 inch or more) in Holgate usually arrives around December 5, and the last of the season around March 17. Those are the middle dates across the winters of 1991–2020 at Napoleon, OH, 9.9 miles away: half of years saw snow earlier, half later. Every one of those winters saw snow. The last 32°F night of spring typically comes 37 days after the last snow.
Planting calendar for 43527
| When | What to do |
|---|---|
| February 12 – February 26 | Start peppers and aubergines indoorsThey need eight to ten weeks under lights before they can go out. |
| February 26 – March 12 | Start tomatoes indoorsSix to eight weeks gives a transplant big enough to set fruit early. |
| March 26 – April 9 | Sow peas, spinach, lettuce, radish outdoorsThese tolerate light frost and prefer to germinate in cool soil. |
| April 23 onward | Transplant tomatoes, peppers, basil, squash, cucumbersThe average last freeze has passed — still watch the actual forecast. |
| by August 1 | Sow the autumn crop of carrots, beets and brassicasThey need about twelve weeks to size up before growth stops. |
| by October 10 | Harvest tender crops, or be ready to cover themA first freeze two weeks early is well within normal variation. |
| October 24 onward | Plant garlic, mulch beds, lift tender bulbsGarlic wants a cold spell; bare soil loses structure over winter. |
The weeks before and after the 50% dates are general rules of thumb, not NOAA figures; a seed packet gives the timing for each variety.
Where these figures come from
ZIP 43527 is 9 miles from Napoleon 1SW, OH, which stands at 670 feet, the nearest NOAA station that publishes freeze probabilities for 1991–2020. The 2023 USDA Plant Hardiness Zone Map lists ZIP 43527 in zone 6a, the band where the coldest night of the year averaged -10 to -5°F (-23.3 to -20.6°C) over 1991–2020; a zone describes winter lows, not frost dates.
Hardiness zone and temperature range: USDA Plant Hardiness Zone Map 2023 (USDA-ARS, Oregon State University), ZIP-code listing, unchanged. °C converted from °F by this site.
Thirty-year averages, not a forecast: check the forecast before planting out. How stations are matched and which pages are offered to search engines: methodology.