Last frost date in Greenville, Ohio
April 21
Average last frost in spring. In an early year (1 in 10) it's over by April 7; in a late year (1 in 10) it comes after May 7.
October 20
Average first frost in fall. 1 year in 10 it comes by October 6.
Source: NOAA U.S. Climate Normals 1991–2020, station Greenville Wtp (USC00333375), 1.5 miles from Greenville, elevation 1,030 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 7 | Apr 21 | May 7 |
| First frost in fall | Oct 6 | Oct 20 | Nov 1 |
An early or late year is one in 10: 1 year in 10 the frost comes before the early date, and 1 year in 10 after the late date.
Frost-free days in an average year: 180
Planting calendar for Greenville
Fall planting
USDA dates for places whose average first freeze is about October 20 (Greenville: October 20).
- Black-eyed peasJune 1 – July 1 (past for this year)
- Celery and celeriac plantsJune 1 – Aug 1 (past for this year)
- CucumbersJune 1 – July 15 (past for this year)
- Eggplant plantsJune 1 – July 1 (past for this year)
- New Zealand spinachJune 1 – Aug 1 (past for this year)
- OkraJune 1 – Aug 1 (past for this year)
- Peppers plantsJune 1 – July 10 (past for this year)
- SalsifyJune 1 – July 1 (past for this year)
- SoybeansJune 1 – July 5 (past for this year)
- Summer squashJune 1 – July 20 (past for this year)
- Sweet cornJune 1 – July 20 (past for this year)
- Sweet potatoesJune 1 – 15 (past for this year)
- Swiss chardJune 1 – Aug 1 (past for this year)
- TomatoesJune 1 – July 1 (past for this year)
- Winter squashJune 1 – July 1 (past for this year)
- Cantaloupe (muskmelon)June 15 – July 20 (past for this year)
- CarrotsJune 15 – Aug 1 (past for this year)
- Florence fennelJune 15 – Aug 1 (past for this year)
- Lima beansJune 15 – 30 (past for this year)
- PotatoesJune 15 – July 15 (past for this year)
- WatermelonJune 15 – July 20 (past for this year)
- Witloof chicoryJune 15 – July 15 (past for this year)
- BeetsJuly 1 – Aug 5 (past for this year)
- Broccoli plantsJuly 1 – Aug 1 (past for this year)
- Brussels sprouts plantsJuly 1 – Aug 1 (past for this year)
- Cabbage plantsJuly 1 – 20 (past for this year)
- Cauliflower plantsJuly 1 – Aug 5 (past for this year)
- Snap beansJuly 1 – Aug 1 (past for this year)
- RutabagaJuly 10 – 20 (past for this year)
- Chinese cabbageJuly 15 – Aug 15 (past for this year)
- Collards plantsJuly 15 – Aug 15 (past for this year)
- EndiveJuly 15 – Sept 1 (past for this year)
- KaleJuly 15 – Aug 15 (past for this year)
- KohlrabiJuly 15 – Aug 15 (past for this year)
- Leaf lettuceJuly 15 – Sept 1 (past for this year)
- ParsleyJuly 15 – Aug 15 (past for this year)
- SorrelJuly 15 – Aug 15 (past for this year)
- TurnipsJuly 15 – Aug 15 (past for this year)
- DandelionAug 1 – Sept 15 (past for this year)
- Head lettuce plantsAug 1 – 30 (past for this year)
- Mustard greensAug 1 – Sept 1 (past for this year)
- RadishesAug 1 – Oct 1 (past for this year)
- SpinachAug 20 – Sept 10 (past for this year)
- Corn saladSept 1 – Oct 15 (past for this year)
- Upland cressSept 1 – Oct 15 (past for this year)
- Rhubarb plantsOct 15 – Dec 1Now
- Asparagus plantsNov 1 – Dec 15Soon
USDA lists chervil and chives, garlic, horseradish, leeks, onion plants, onion seed, onion sets, parsnips, garden peas, shallots as generally spring-planted here.
Spring planting
USDA dates for places whose average last freeze is about April 20 (Greenville: April 21).
- Corn saladFeb 15 – Apr 15
- SpinachMar 1 – Apr 15
- Cabbage plantsMar 10 – Apr 1
- Chervil and chivesMar 10 – Apr 10
- Collards plantsMar 10 – June 1
- DandelionMar 10 – Apr 10
- Garden peasMar 10 – Apr 10
- GarlicMar 10 – Apr 1
- Onion setsMar 10 – Apr 1
- RadishesMar 10 – May 10
- Rhubarb plantsMar 10 – Apr 10
- TurnipsMar 10 – Apr 1
- Asparagus plantsMar 15 – Apr 15
- Cauliflower plantsMar 15 – Apr 20
- LeeksMar 15 – Apr 15
- Onion plants plantsMar 15 – Apr 10
- Onion seedMar 15 – Apr 1
- PotatoesMar 15 – Apr 10
- ShallotsMar 15 – Apr 15
- SorrelMar 15 – May 1
- BeetsMar 20 – June 1
- Head lettuce plantsMar 20 – Apr 15
- Horseradish plantsMar 20 – Apr 20
- KaleMar 20 – Apr 10
- KohlrabiMar 20 – May 1
- Leaf lettuceMar 20 – May 15
- Mustard greensMar 20 – May 1
- ParsleyMar 20 – Apr 20
- ParsnipsMar 20 – Apr 20
- SalsifyMar 20 – May 1
- Upland cressMar 20 – May 1
- Broccoli plantsMar 25 – Apr 20
- Brussels sprouts plantsMar 25 – Apr 20
- EndiveMar 25 – Apr 15
- Florence fennelMar 25 – Apr 15
- CarrotsApr 1 – May 15
- Swiss chardApr 1 – June 15
- Celery and celeriac plantsApr 10 – May 1
- Snap beansApr 25 – June 30
- Sweet cornApr 25 – June 15
- Cantaloupe (muskmelon)May 1 – June 15
- CucumbersMay 1 – June 15
- Lima beansMay 1 – June 20
- New Zealand spinachMay 1 – June 15
- OkraMay 1 – June 1
- Summer squashMay 1 – June 15
- WatermelonMay 1 – June 15
- TomatoesMay 5 – June 10
- Black-eyed peasMay 10 – June 15
- Eggplant plantsMay 10 – June 1
- Peppers plantsMay 10 – June 1
- SoybeansMay 10 – June 20
- Sweet potatoesMay 10 – June 10
- Witloof chicoryJune 15 – July 1
USDA lists chinese cabbage as generally fall-planted here.
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5 (earliest safe spring and latest safe fall dates), applied to this place's NOAA frost dates. “Plants” means setting out transplants, not sowing seed. How we match the table.