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When to plant Quince in Calhoun County, IL

Plant Quince in Calhoun County, between May 4 and May 18 — the only viable window. Zone 6b's short season (191 frost-free days) rules out a fall crop.

When to Plant Quince in Calhoun County, IL

Quince is a small ornamental tree producing fragrant, golden fruits that are too hard and astringent to eat raw but transform into a beautiful rose-colored paste when cooked.

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 Quince 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

Quince Planting Timeline — Calhoun County, IL

Quince Planting Calendar

Activity When Date Range
Transplant Outdoors May 4 May 4 – May 18

· 120" apart · Rows 144" 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

Moderate — regular watering

📅 Days to Maturity

1095–1825 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

191 days in Calhoun County

Growing Tips for Calhoun County

Plant in well-drained soil in a warm, sheltered location. Quince is self-fertile. Harvest after frost when fruit is golden and fragrant. Fire blight can be an issue; choose resistant varieties.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Quince in Calhoun County, IL?

Calhoun County is in Zone 6b with an average last frost of April 13. Plan your Quince 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 Quince in Calhoun County, IL?

In Calhoun County, IL, plant Quince 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 Quince?

Calhoun County sits in USDA Zone 6b. Quince grows reliably in zones 5a through 9b, so it's a good fit here.

Can Quince grow in Calhoun County's climate?

Yes — Quince 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.

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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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