Blog

When to plant Cranberries in Stark County, IL

Stark County's short 174-day growing season means one Cranberries planting between May 12 and May 26. No fall crop in Zone 5b.

When to Plant Cranberries in Stark County, IL

Cranberries are low-growing, vine-like shrubs that produce tart red berries in fall. They grow in acidic, boggy conditions and are surprisingly easy to cultivate.

Stark County, Illinois is in USDA Zone 5b. The average last spring frost is April 21 and the first fall frost is October 12, giving you a growing season of approximately 174 days.

At an elevation of 1,071 feet, Stark County receives approximately 33.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Cranberries to ensure they mature before fall.

Stark County, IL (Zone 5b) Moderate season
174 days
Last Spring Frost April 21
174 growing days
First Fall Frost October 12

Stark County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Cranberries Planting Timeline — Stark County, IL

Cranberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 12 May 12 – May 26

· 36" apart · Rows 48" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Transplant Outdoors
June
July
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

High — keep soil consistently moist

📅 Days to Maturity

730–1095 days

🧪 Soil pH

Needs 4–5.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

174 days in Stark County

Growing Tips for Stark County

Create an acidic, consistently moist bed with peat moss. Cranberries do not need to be flooded to grow; flooding is only used for commercial harvesting. Mulch with sand in early spring.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cranberries in Stark County, IL?

Stark County is in Zone 5b with an average last frost of April 21. Plan your Cranberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Stark County, IL?

Stark County, Illinois is in USDA Hardiness Zone 5b. The average last spring frost is April 21 and first fall frost is October 12.

When should I plant Cranberries in Stark County, IL?

In Stark County, IL, plant Cranberries after the last frost (around April 21) and before the first frost (around October 12). Best results when soil holds above 50°F.

What growing zone is Stark County, IL for Cranberries?

Stark County sits in USDA Zone 5b. Cranberries grows reliably in zones 2a through 7b, so it's a good fit here.

Can Cranberries grow in Stark County's climate?

Yes — Cranberries grows well in Stark County's temperate climate. Stark County averages a 174-day frost-free season, with last frost around April 21 and first frost around October 12.

🌱

Your Stark County Garden Planner — Free

A 22-page printable planner built for Stark County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.