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Crop dates by placeChard Planting Dates by State and Region
Published chard planting windows for 8 places, with the source and the caveats you need before you use them.
Across the 3 places in this data set, the transplanting window begins as early as Mar 27 (Southern Illinois) and as late as Apr 24 (Northern Illinois). The middle of the range starts around Apr 10.
| Place | Planting | Harvest |
|---|---|---|
| Central Illinois | Transplanting: April 10 to June 1, July 21 to August 1 | |
| Central and higher-elevation Eastern Oregon | Planting: May (direct seed) | |
| Columbia and Snake River valleys, Oregon | Planting: April | |
| Maricopa County, Arizona | Planting: early Jan to end of Jan; mid Aug to end of Dec (seed); Transplanting: early Jan to end of Jan; mid Sep to end of Dec (transplants) | |
| Northern Illinois | Transplanting: April 24 to May 15, July 24 to Aug. 10 | |
| Oregon Coast | Planting: April | |
| Southern Illinois | Transplanting: March 27 to May 15, July 7 to 21 | |
| Western valleys (Portland, Roseburg, Medford), Oregon | Planting: April |
Calendar view
| Item | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Central Illinois transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in June | Transplanting window in July | Transplanting window in August | |||||||
| Central and higher-elevation Eastern Oregon planting | Planting window in May | |||||||||||
| Columbia and Snake River valleys, Oregon planting | Planting window in April | |||||||||||
| Maricopa County, Arizona planting | Timing in table above | |||||||||||
| Maricopa County, Arizona transplanting | Timing in table above | |||||||||||
| Northern Illinois transplanting | Transplanting window in April | Transplanting window in May | Transplanting window in July | Transplanting window in August | ||||||||
| Oregon Coast planting | Planting window in April | |||||||||||
| Southern Illinois transplanting | Transplanting window in March | Transplanting window in April | Transplanting window in May | Transplanting window in July | ||||||||
| Western valleys (Portland, Roseburg, Medford), Oregon planting | Planting window in April | |||||||||||
Frost-date caveat: ranges blur real differences inside a state or region. Use them to plan, then fit them to your last frost date, soil temperature and field conditions.
Related guides
- Chard Planting Calendar: Spring Through Fall
- Orchard Irrigation Calendar
- Orchard Pest Scouting Calendar
- Nut Orchard Calendar
- Pollinator Planting Calendar for Orchards
- Cover Cropping in Orchards: Timing
Last reviewed: November 2026. Source: Illinois Extension - When to Plant (Home Vegetable Gardening).