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When to plant Alpine Strawberries in Calhoun County, IL

Calhoun County's 191-day season only supports one Alpine Strawberries planting per year. Sow between May 4 and May 18 for the best chance at full maturity before October 21.

When to Plant Alpine Strawberries in Calhoun County, IL

Alpine strawberries are small, intensely flavored wild-type strawberries that fruit continuously from spring to frost. They do not produce runners and make excellent edging plants.

Calhoun County, Illinois is in USDA Zone 6b. The average last spring frost is April 13 and the first fall frost is October 21, giving you a growing season of approximately 191 days.

At an elevation of 731 feet, Calhoun County receives approximately 32.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Alpine Strawberries during the growing season.

Calhoun County, IL (Zone 6b) Moderate season
191 days
Last Spring Frost April 13
191 growing days
First Fall Frost October 21

Calhoun County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Alpine Strawberries Planting Timeline — Calhoun County, IL

Alpine Strawberries Planting Calendar

Activity When Date Range
Transplant Outdoors May 4 May 4 – May 18
Harvest August 3 Aug 3 – Nov 16

· 12" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

90–180 days

🧪 Soil pH

Needs 5.5–6.8 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

191 days in Calhoun County

Growing Tips for Calhoun County

Start seeds indoors 8-10 weeks before transplanting. Unlike regular strawberries, alpines do not spread by runners. Harvest tiny, intensely aromatic berries frequently. Grow well in partial shade.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Alpine Strawberries in Calhoun County, IL?

Calhoun County is in Zone 6b with an average last frost of April 13. Plan your Alpine Strawberries planting based on this frost date — see the calendar above for exact timing.

What planting zone is Calhoun County, IL?

Calhoun County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 13 and first fall frost is October 21.

When should I plant Alpine Strawberries in Calhoun County, IL?

In Calhoun County, IL, plant Alpine Strawberries after the last frost (around April 13) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Calhoun County, IL for Alpine Strawberries?

Calhoun County sits in USDA Zone 6b. Alpine Strawberries grows reliably in zones 3a through 10b, so it's a good fit here.

Can Alpine Strawberries grow in Calhoun County's climate?

Yes — Alpine Strawberries grows well in Calhoun County's temperate climate. Calhoun County averages a 191-day frost-free season, with last frost around April 13 and first frost around October 21.

🌱

Your Calhoun County Garden Planner — Free

A 22-page printable planner built for Calhoun County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Calhoun County, IL. Local conditions may vary. Last updated: June 2026.

Sources & credits

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