When to plant leeks in the US
Outdoors, leeks go in from around February 2 in Atlanta to September 6 in Phoenix.
- Type
- Hardy Copes with cold
- First harvest
- About 150 days from sowing in the UK
- Spacing
- 6 in between plants
- In pots
- Not really better in the ground
- 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 Mar 3Outdoors Mar 3 to Jun 18 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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 Feb 20Outdoors Feb 20 to Jun 7 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Not this month | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| MilwaukeeFrom Apr 13Outdoors Apr 13 to Jul 29 | 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| BostonFrom Apr 6Outdoors Apr 6 to Jul 22 | 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| DetroitFrom Apr 7Outdoors Apr 7 to Jul 23 | 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| ChicagoFrom Apr 1Outdoors Apr 1 to Jul 17 | 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| New York CityFrom Mar 27Outdoors Mar 27 to Jul 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| Columbus, OhioFrom Mar 23Outdoors Mar 23 to Jul 8 | January: Not this month | February: Not this month | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow outdoors and under cover | August: Not this month | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| PhiladelphiaFrom Mar 17 and Jul 28Outdoors Mar 17 to Jul 2, and Jul 28 to Aug 5 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow outdoors and under cover | June: Sow outdoors and under cover | July: Sow under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| IndianapolisFrom Mar 20Outdoors Mar 20 to Jul 5 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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 |
| DenverFrom Apr 9Outdoors Apr 9 to Jul 25 | 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 outdoors and under cover | July: Sow outdoors and under cover | August: Sow under cover | September: Not this month | October: Not this month | November: Not this month | December: Not this month |
| BaltimoreFrom Mar 12 and Jul 27Outdoors Mar 12 to Jun 27, and Jul 27 to Aug 7 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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: Not this month | October: Not this month | November: Not this month | December: Not this month |
| WashingtonFrom Mar 7 and Jul 27Outdoors Mar 7 to Jun 22, and Jul 27 to Aug 9 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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: Not this month | October: Not this month | November: Not this month | December: Not this month |
| LouisvilleFrom Mar 5 and Jul 28Outdoors Mar 5 to Jun 20, and Jul 28 to Aug 8 | January: Not this month | February: Sow under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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: Not this month | October: Not this month | November: Not this month | December: Not this month |
| Las VegasFrom Aug 26Outdoors Aug 26 to Apr 24 | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Not this month | August: Sow under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
| NashvilleFrom Feb 15 and Jul 28Outdoors Feb 15 to Jun 2, and Jul 28 to Aug 16 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and 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 under cover | October: Not this month | November: Not this month | December: Not this month |
| Oklahoma CityFrom Feb 12 and Jul 31Outdoors Feb 12 to May 30, and Jul 31 to Aug 22 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and 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 under cover | October: Not this month | November: Not this month | December: Not this month |
| CharlotteFrom Feb 9 and Jul 26 and Oct 12Outdoors Feb 9 to May 27, and Jul 26 to Sep 19, and Oct 12 to Dec 19 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and 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 outdoors and under cover | December: Sow outdoors and under cover |
| AlbuquerqueFrom Feb 22 and Jul 25Outdoors Feb 22 to Jun 9, and Jul 25 to Aug 9 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and 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: Not this month | October: Not this month | November: Not this month | December: Not this month |
| Los AngelesFrom Aug 14Outdoors Aug 14 to Apr 28 | January: Sow outdoors and under cover | February: Sow outdoors and 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 outdoors and under cover |
| AtlantaFrom Feb 2 and Jul 28Outdoors Feb 2 to May 20, and Jul 28 to Dec 23 | January: Sow under cover | February: Sow outdoors and under cover | March: Sow outdoors and 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 outdoors and under cover | December: Sow outdoors and under cover |
| PhoenixFrom Sep 6Outdoors Sep 6 to Apr 14 | January: Sow outdoors and under cover | February: Sow outdoors and under cover | March: Sow outdoors and under cover | April: Sow outdoors and under cover | May: Sow under cover | June: Not this month | July: Not this month | August: Sow under cover | September: Sow outdoors and under cover | October: Sow outdoors and under cover | November: Sow outdoors and under cover | December: Sow outdoors and under cover |
| JacksonvilleFrom Jul 31Outdoors Jul 31 to May 4 | January: Sow outdoors and under cover | February: Sow outdoors and 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 outdoors and under cover |
| HoustonFrom Aug 10Outdoors Aug 10 to Apr 30 | January: Sow outdoors and under cover | February: Sow outdoors and 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 outdoors and under cover |
Don’t see your town? Find it by name or postcode.
Leeks 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