When to Plant Green Beans in Illinois

In a typical Illinois location, sow outdoors Apr 20 – May 4. Across the state, the outdoor planting window starts as early as Apr 1 in Granite City and as late as May 1 in Roscoe.

Method Direct sow
Days to maturity 50–65 days

Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.

Green Beans Planting Dates by City

CityDirect sow
ChicagoApr 10 – Apr 24
AuroraApr 19 – May 3
RockfordApr 24 – May 8
JolietApr 19 – May 3
NapervilleApr 28 – May 12
PeoriaApr 16 – Apr 30
SpringfieldApr 15 – Apr 29
North PeoriaApr 16 – Apr 30
ElginApr 26 – May 10
WaukeganApr 30 – May 14
ChampaignApr 15 – Apr 29
CiceroApr 11 – Apr 25
BloomingtonApr 21 – May 5
Arlington HeightsApr 19 – May 3
EvanstonApr 26 – May 10
SchaumburgApr 30 – May 14
BolingbrookApr 20 – May 4
DecaturApr 14 – Apr 28
PalatineApr 25 – May 9
SkokieApr 26 – May 10
Des PlainesApr 16 – Apr 30
Orland ParkApr 19 – May 3
Tinley ParkApr 23 – May 7
Oak LawnApr 10 – Apr 24
BerwynApr 11 – Apr 25
Mount ProspectApr 19 – May 3
NormalApr 25 – May 9
WheatonApr 28 – May 12
Oak ParkApr 11 – Apr 25
Hoffman EstatesApr 30 – May 14

Showing the 30 most populous of 242 Illinois cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Illinois cities.

Frequently Asked Questions

When should I plant green beans in Illinois?

In a typical Illinois location, sow outdoors Apr 20 – May 4. Across the state, the outdoor planting window starts as early as Apr 1 in Granite City and as late as May 1 in Roscoe.

When is the last frost in Illinois?

The average last spring frost in Illinois ranges from April 1 in Granite City to May 1 in Roscoe, based on NOAA 1991–2020 climate normals.

How long do green beans take to grow?

Green Beans typically take 50–65 days from planting to harvest. Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.

Other Crops in Illinois

When to plant green beans in other states

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