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When to plant Lovage in Jefferson County, IA

In Jefferson County, Lovage is a single-season spring crop — there's no second fall window. Plant April 28–May 12 for an 70–90-day harvest, finishing well before the October 14 first frost.

When to Plant Lovage in Jefferson County, IA

Lovage is a large perennial herb with a celery-like flavor that can grow 4-6 feet tall. All parts are edible including the leaves, stems, seeds, and roots.

Jefferson County, Iowa is in USDA Zone 5b. The average last spring frost is April 21 and the first fall frost is October 14, giving you a growing season of approximately 176 days.

At an elevation of 1,279 feet, Jefferson County receives approximately 37.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Lovage to ensure they mature before fall.

Jefferson County, IA (Zone 5b) Moderate season
176 days
Last Spring Frost April 21
176 growing days
First Fall Frost October 14

Jefferson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Lovage Planting Timeline — Jefferson County, IA

Lovage Planting Calendar

Activity When Date Range
Transplant Outdoors April 28 Apr 28 – May 12
Harvest July 7 Jul 7 – Sep 8

Plant 0.5" deep · 8" apart · Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

176 days in Jefferson County

Growing Tips for Jefferson County

Start seeds indoors or direct sow in spring. One plant is usually enough for a family. Harvest outer stems and leaves as needed. Divide clumps every 3-4 years.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lovage in Jefferson County, IA?

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

What planting zone is Jefferson County, IA?

Jefferson County, Iowa is in USDA Hardiness Zone 5b. The average last spring frost is April 21 and first fall frost is October 14.

When should I plant Lovage in Jefferson County, IA?

In Jefferson County, IA, plant Lovage after the last frost (around April 21) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Jefferson County, IA for Lovage?

Jefferson County sits in USDA Zone 5b. Lovage grows reliably in zones 3a through 8b, so it's a good fit here.

Can Lovage grow in Jefferson County's climate?

Yes — Lovage grows well in Jefferson County's temperate climate. Jefferson County averages a 176-day frost-free season, with last frost around April 21 and first frost around October 14.

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Your Jefferson County Garden Planner — Free

A 22-page printable planner built for Jefferson 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.

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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 Jefferson County, IA. Local conditions may vary. Last updated: June 2026.

Sources & credits

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