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When to plant Eggplant in Linn County, MO

For Eggplant in Linn County, the safe spring window opens around April 24 and closes around May 15. Last expected frost is April 17, first fall frost October 20, giving a 186-day growing season.

When to Plant Eggplant in Linn County, MO

Eggplant

Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.

Linn County, Missouri is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 20, giving you a growing season of approximately 186 days.

At an elevation of 880 feet, Linn County receives approximately 32.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Eggplant during the growing season.

Linn County, MO (Zone 6a) Moderate season
186 days
Last Spring Frost April 17
186 growing days
First Fall Frost October 20

Linn County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Eggplant to Grow

4-6 lbs
Average yield per plant
2
Plants per person
4 sq ft
Space per person

For a family of 4, plant approximately 8 eggplant plants in about 16 sq ft. In Linn County's 186-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Eggplant Planting Timeline — Linn County, MO

Eggplant Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 – Feb 20
Transplant Outdoors May 1 May 1 – May 15
Direct Sow April 24 Apr 24 – May 15
Harvest July 10 Jul 10 – Sep 11

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

65–85 days

🧪 Soil pH

Needs 5.5–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

186 days in Linn County

Growing Tips for Linn County

Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Eggplant in Linn County, MO?

Linn County is in Zone 6a with an average last frost of April 17. Plan your Eggplant planting based on this frost date — see the calendar above for exact timing.

What planting zone is Linn County, MO?

Linn County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 20.

When should I plant Eggplant in Linn County, MO?

In Linn County, MO, plant Eggplant after the last frost (around April 17) and before the first frost (around October 20). Best results when soil holds above 50°F.

What growing zone is Linn County, MO for Eggplant?

Linn County sits in USDA Zone 6a. Eggplant grows reliably in zones 5a through 11b, so it's a good fit here.

Can Eggplant grow in Linn County's climate?

Yes — Eggplant grows well in Linn County's temperate climate. Linn County averages a 186-day frost-free season, with last frost around April 17 and first frost around October 20.

🌱

Your Linn County Garden Planner — Free

A 22-page printable planner built for Linn County (Zone 6a). 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 Linn County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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