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When to plant Ground Cherry in Benton County, IA

Plant Ground Cherry in Benton County during the brief May 19–June 2 window. With 164 frost-free days, fall plantings can't mature before October 9.

When to Plant Ground Cherry in Benton County, IA

Ground cherries produce small, sweet, tropical-tasting berries enclosed in papery husks. They are related to tomatillos and cape gooseberries and self-sow readily.

Benton County, Iowa is in USDA Zone 5a. The average last spring frost is April 28 and the first fall frost is October 9, giving you a growing season of approximately 164 days.

At an elevation of 1,230 feet, Benton County receives approximately 36 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Ground Cherry during the growing season.

Benton County, IA (Zone 5a) Moderate season
164 days
Last Spring Frost April 28
164 growing days
First Fall Frost October 9

Benton County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Ground Cherry Planting Timeline — Benton County, IA

Ground Cherry Planting Calendar

Activity When Date Range
Transplant Outdoors May 19 May 19 – Jun 2
Harvest July 28 Jul 28 – Sep 22

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

65–80 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

164 days in Benton County

Growing Tips for Benton County

Start seeds indoors 6-8 weeks before last frost. Let fruits fall to the ground naturally when ripe inside their husks. The husk turns brown and papery when the fruit is ready.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Ground Cherry in Benton County, IA?

Benton County is in Zone 5a with an average last frost of April 28. Plan your Ground Cherry planting based on this frost date — see the calendar above for exact timing.

What planting zone is Benton County, IA?

Benton County, Iowa is in USDA Hardiness Zone 5a. The average last spring frost is April 28 and first fall frost is October 9.

When should I plant Ground Cherry in Benton County, IA?

In Benton County, IA, plant Ground Cherry after the last frost (around April 28) and before the first frost (around October 9). Best results when soil holds above 50°F.

What growing zone is Benton County, IA for Ground Cherry?

Benton County sits in USDA Zone 5a. Ground Cherry grows reliably in zones 4a through 11b, so it's a good fit here.

Can Ground Cherry grow in Benton County's climate?

Yes — Ground Cherry grows well in Benton County's temperate climate. Benton County averages a 164-day frost-free season, with last frost around April 28 and first frost around October 9.

🌱

Your Benton County Garden Planner — Free

A 22-page printable planner built for Benton County (Zone 5a). 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 Benton County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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