When to plant strawberries in Chicago, Illinois

March 13 – March 27

Transplant outdoors · typical Chicago year

Climate basis: NOAA station Chicago Northerly Is, IL (USC00111550), 2 mi (3 km) from downtown Chicago (ZCTA 60602 centroid), elevation 583 ft, on the 1991–2020 climate normals. Plant dormant strawberry crowns from approximately the dates above, anchored to the median last spring 32°F freeze (April 10). One year in ten still freezes after April 25.

Last spring freezeApril 101-in-10 after Apr 25

First fall freezeNovember 51-in-10 before Oct 24

Frost-free season≈ 208 daysmedian at 32°F

Hard freeze, 28°Apr 1 – Nov 15kills even hardy greens

USDA zone6b-5 to 0°F winter low — not frost timing

The Chicago year

Transplant outdoorsMar 13 – Mar 27

indoors under lights
in the garden
frost-free season
1-in-10 years still freeze to Apr 25

Strawberries in Chicago · freeze context from Chicago Northerly Is, IL, 1991–2020 normals.

Every method, with its sources

Transplant outdoors

Mar 13 – Mar 27

NC State: plant 1-year-old dormant plants about three or four weeks before the average last frost. Utah State: dormant bare-root plants need not wait for frost danger to pass. Span extended to 14 days. Anchored to the median last spring freeze (Apr 10). N.C. Cooperative Extension (NC State Extension, Macon County) · Utah State University Extension

Start seeds indoors

Not calculated

The cited extension guides do not time an indoor seed-starting window for this crop.

Direct-sow outdoors

Not calculated

Garden strawberries are planted as crowns/plants, not seed.

Fall planting

Not calculated

No source-backed fall planting rule exists for this crop in the registry, so no fall window is calculated.

Variety assumption: June-bearing beds fruit the year AFTER planting (blossoms are usually removed the first season).

These windows describe typical years (1991–2020 climate normals), not this year's forecast. Freezes happen outside them — especially in frost pockets, valleys, and urban edges. Watch the forecast before committing tender plants.

This week, not a typical year:

Crop rule sources (2)

N.C. Cooperative Extension (NC State Extension, Macon County): Starting Your Strawberry Patch (accessed 2026-07-24)
"Plant 1-year old dormant plants about three or four weeks (mid-April) before the average date of the last frost."
Utah State University Extension: How to Grow Strawberries in Your Garden (accessed 2026-07-24)
"Bare root dormant plants are transplanted in early spring. Since the plants are dormant, there is no need to wait until after the risk of spring frost has passed."

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