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When to Plant Strawberries in McDonough County, IL

Strawberries are a beloved perennial fruit available as June-bearing, ever-bearing, and day-neutral types. They are one of the easiest fruits to grow in containers or garden beds.

McDonough County, Illinois is in USDA Zone 5b. The average last spring frost is April 17 and the first fall frost is October 17, giving you a growing season of approximately 183 days.

At an elevation of 738 feet, McDonough County receives approximately 37.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84ยฐF, so choose short-season varieties of Strawberries to ensure they mature before fall.

McDonough County, IL (Zone 5b) Moderate season
183 days
Last Spring Frost April 17
183 growing days
First Fall Frost October 17

McDonough County Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 2 🍅 Harvest: Aug 1 – Oct 17
Recommended (50%) ✗ May not fit
Transplant: May 8 🍅 Harvest: Aug 7 – Oct 23
Safe Start (90%) ✗ May not fit
Transplant: May 21 🍅 Harvest: Aug 20 – Nov 5

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 723 gal / 100 sq ft
Strawberries needs ~2,958 GDD — county provides 2,379 GDD May not mature

Strawberries Planting Timeline โ€” McDonough County, IL

Strawberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 8 May 8 โ€“ May 22
Harvest August 7 Aug 7 โ€“ Oct 23

ยท 12" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July โ€”
August Harvest
September Harvest
October Harvest
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

90โ€“365 days

Soil pH

5.5 โ€“ 6.8

USDA Zone

Zone 5b

Growing Season

183 days

Growing Tips for McDonough County

Plant with crowns at soil level. Remove runners the first year to strengthen plants. Mulch with straw to keep fruit clean and suppress weeds. Renovate June-bearing beds after harvest.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage
  • Broccoli

Level Up Your Garden

Frequently Asked Questions

When should I plant Strawberries in McDonough County, IL?

McDonough County is in Zone 5b with an average last frost of April 17. Plan your Strawberries planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is McDonough County, IL?

McDonough County, Illinois is in USDA Hardiness Zone 5b. The average last spring frost is April 17 and first fall frost is October 17.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help McDonough County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for McDonough County, IL. Local conditions may vary. Last updated: April 2026.