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When to Plant Tarragon in Morrill County, NE

French tarragon is a perennial herb with slender leaves and a distinctive anise-like flavor essential in French cooking. It does not produce viable seed and must be propagated vegetatively.

Morrill County, Nebraska is in USDA Zone 5a. The average last spring frost is May 11 and the first fall frost is October 3, giving you a growing season of approximately 145 days.

At an elevation of 1,112 feet, Morrill County receives approximately 34.5 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Tarragon to ensure they mature before fall.

Morrill County, NE (Zone 5a) Short season
145 days
Last Spring Frost May 11
145 growing days
First Fall Frost October 3

Morrill County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Tarragon Planting Timeline — Morrill County, NE

Tarragon Planting Calendar

Activity When Date Range
Transplant Outdoors May 18 May 18 – Jun 1
Harvest July 20 Jul 20 – Sep 28

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

60–90 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

145 days in Morrill County

Growing Tips for Morrill County

Purchase plants or divisions as French tarragon does not grow true from seed. Plant in well-drained soil. Divide every 3-4 years to maintain vigor. Harvest tips regularly for best flavor.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tarragon in Morrill County, NE?

Morrill County is in Zone 5a with an average last frost of May 11. Plan your Tarragon planting based on this frost date — see the calendar above for exact timing.

What planting zone is Morrill County, NE?

Morrill County, Nebraska is in USDA Hardiness Zone 5a. The average last spring frost is May 11 and first fall frost is October 3.

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Your Morrill County Garden Planner — Free

A 22-page printable planner built for Morrill 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 Morrill County, NE. Local conditions may vary. Last updated: June 2026.

Sources & credits

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