Crop dates by place

Garlic Planting Dates by State and Region

Published garlic planting windows for 9 places, with the source and the caveats you need before you use them.

Across the 5 places in this data set, the planting window begins as early as Sep 1 (Northern Illinois) and as late as Oct 1 (Central Illinois). The middle of the range starts around Oct 1.

Garlic windows by place
Place	Planting	Harvest
Arkansas	Planting: October - December (spring/summer crop)
Central Illinois	Planting: October
Central North Carolina	Planting: mid Sep to end of Nov (bulbs)
Eastern North Carolina	Planting: mid Sep to end of Nov (bulbs)
Maricopa County, Arizona	Planting: early Oct to end of Oct (sets or cloves)
Northern Illinois	Planting: Mid-September
Oregon (Western Oregon noted in November)	Planting: October to November, plant for harvest next summer
Southern Illinois	Planting: Late October
Western North Carolina	Planting: early Sep to mid Nov (bulbs)

Calendar view

Garlic calendar by place
Item	Jan	Sep	Oct	Nov	Dec
Arkansas planting			Planting window in October	Planting window in November	Planting window in December
Central Illinois planting			Planting window in October
Central North Carolina planting	Timing in table above
Eastern North Carolina planting	Timing in table above
Maricopa County, Arizona planting	Timing in table above
Northern Illinois planting		Planting window in September
Oregon (Western Oregon noted in November) planting			Planting window in October	Planting window in November
Southern Illinois planting			Planting window in October
Western North Carolina planting	Timing in table above

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

Last reviewed: November 2026. Source: Arkansas Extension - Spring and Summer Vegetable Planting Dates.