When to plant cucumbers in the US
Outdoors, cucumbers go in from around March 1 in Phoenix to June 8 in Denver.
- Type
- Tender No frost, likes warmth
- First harvest
- About 70 days from sowing in the UK
- Spacing
- 18 in between plants
- In pots
- Yes in a big enough pot
- Tender. Cucumber goes outdoors only once the last frost has passed and the soil has warmed.
- Start under cover. In a greenhouse or polytunnel it can go in about four weeks earlier than outdoors.
- Two goes in warm places. Where summers are long, there’s a second window later in the year as well as the spring one.
Town by town
24 towns from north to south. Dates move later the further you go from the equator and the higher up. Tap a town for its full calendar.
Sow outdoorsSow under cover (indoors, a greenhouse or a cold frame)
| TownTown, north to south | JJan | FFeb | MMar | AApr | MMay | JJun | JJul | AAug | SSep | OOct | NNov | DDec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SeattleFrom May 13Outdoors May 13 to Jun 23 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| PortlandFrom May 7 and Aug 6Outdoors May 7 to Jun 17, and Aug 6 to Aug 14 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| MilwaukeeFrom May 21 and Aug 2Outdoors May 21 to Jul 1, and Aug 2 to Aug 18 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| BostonFrom May 10 and Jul 31Outdoors May 10 to Jun 20, and Jul 31 to Aug 18 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| DetroitFrom May 18 and Jul 26Outdoors May 18 to Jun 28, and Jul 26 to Aug 18 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| ChicagoFrom May 19 and Jul 28Outdoors May 19 to Jun 29, and Jul 28 to Aug 22 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| New York CityFrom May 4 and Jul 28Outdoors May 4 to Jun 14, and Jul 28 to Aug 25 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| Columbus, OhioFrom May 17 and Jul 27Outdoors May 17 to Jun 27, and Jul 27 to Aug 23 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| PhiladelphiaFrom May 3 and Jul 28Outdoors May 3 to Jun 13, and Jul 28 to Aug 30 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| IndianapolisFrom May 15 and Jul 27Outdoors May 15 to Jun 25, and Jul 27 to Aug 26 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| DenverFrom Jun 8Outdoors Jun 8 to Aug 11 | January: Not this month | February: Not this month | March: Not this month | April: Not this month | May: Sow under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| BaltimoreFrom Apr 29 and Jul 27Outdoors Apr 29 to Jun 9, and Jul 27 to Sep 1 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| WashingtonFrom Apr 29 and Jul 27Outdoors Apr 29 to Jun 9, and Jul 27 to Sep 3 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| LouisvilleFrom May 2 and Jul 28Outdoors May 2 to Jun 12, and Jul 28 to Sep 3 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| Las VegasFrom Mar 12 and Jul 30Outdoors Mar 12 to Apr 22, and Jul 30 to Oct 2 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
| NashvilleFrom Apr 24 and Jul 28Outdoors Apr 24 to Jun 4, and Jul 28 to Sep 9 | January: Not this month | February: Not this month | March: Not this month | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
| Oklahoma CityFrom Apr 18 and Jul 30Outdoors Apr 18 to May 29, and Jul 30 to Sep 14 | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
| CharlotteFrom Apr 18 and Jul 26Outdoors Apr 18 to May 29, and Jul 26 to Sep 10 | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
| AlbuquerqueFrom May 5 and Jul 25Outdoors May 5 to Jun 15, and Jul 25 to Sep 3 | January: Not this month | February: Not this month | March: Not this month | April: Sow under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Sow outdoors and under cover | September: Sow under cover | October: Not this month | November: Not this month | December: Not this month |
| Los AngelesFrom Apr 2 and Aug 14Outdoors Apr 2 to May 20, and Aug 14 to Oct 10 | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Not this month |
| AtlantaFrom Apr 17 and Jul 28Outdoors Apr 17 to May 28, and Jul 28 to Sep 12 | January: Not this month | February: Not this month | March: Sow under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow under cover | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow under cover | November: Not this month | December: Not this month |
| PhoenixFrom Mar 1 and Aug 11Outdoors Mar 1 to Apr 11, and Aug 11 to Oct 20 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow under cover | December: Not this month |
| JacksonvilleFrom Mar 8 and Jul 31Outdoors Mar 8 to Apr 18, and Jul 31 to Nov 18 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow under cover |
| HoustonFrom Mar 17 and Jul 31Outdoors Mar 17 to Apr 27, and Jul 31 to Oct 7 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Sow under cover | August: Sow outdoors and under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Not this month | December: Not this month |
Don’t see your town? Find it by name or postcode.
Cucumbers in other countries
When to plant other crops in the US
Fruiting
Roots
Leaves
Beans and peas
Onion family
Brassicas
Herbs
Fruit
Also searched for
Get these dates as reminders
Bia turns this calendar into a nudge when it’s time to sow, plant out and harvest, for your backyard or community garden plot wherever you are in the US. Free for 2 months.
App StoreComing soonHow these dates are worked out: climate records for each town (ERA5-Land, 1995 to 2024), its frost dates and its height above sea level turn a seed-packet date into a local one. Contains modified Copernicus Climate Change Service information; towns from GeoNames (CC BY 4.0). How sowing dates work