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When to plant Cumin in Lincoln County, CO

For Lincoln County, gardeners: plant Cumin April 29 through May 20 once soil reads 50°F. A second sowing from July 25 to August 8 extends the harvest into fall.

When to Plant Cumin in Lincoln County, CO

Cumin is a warm-season annual herb whose seeds are one of the most widely used spices globally. It requires a long, hot growing season of 3-4 months.

Lincoln County, Colorado is in USDA Zone 5b. The average last spring frost is May 13 and the first fall frost is October 3, giving you a growing season of approximately 143 days.

At an elevation of 6,293 feet, Lincoln County receives approximately 13.9 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Cumin during the growing season. With low rainfall, drip irrigation is essential for growing Cumin successfully. Mulch heavily to conserve soil moisture.

Lincoln County, CO (Zone 5b) Short season
143 days
Last Spring Frost May 13
143 growing days
First Fall Frost October 3

Lincoln County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Cumin Planting Timeline — Lincoln County, CO

Cumin Planting Calendar

Activity When Date Range
Start Indoors April 8 Apr 8 – Apr 22
Transplant Outdoors May 6 May 6 – May 20
Direct Sow April 29 Apr 29 – May 20
Harvest August 19 Aug 19 – Oct 21
Fall Sowing July 25 Jul 25 – Aug 8

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

100–120 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

143 days in Lincoln County

Growing Tips for Lincoln County

Start seeds indoors 4 weeks before last frost. Transplant after all danger of frost. Harvest when seed heads turn brown. Requires consistent warmth for proper seed development.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Cumin in Lincoln County, CO?

Lincoln County is in Zone 5b with an average last frost of May 13. Plan your Cumin planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lincoln County, CO?

Lincoln County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 13 and first fall frost is October 3.

When should I plant Cumin in Lincoln County, CO?

In Lincoln County, CO, plant Cumin after the last frost (around May 13) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Lincoln County, CO for Cumin?

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

Can Cumin grow in Lincoln County's climate?

Yes — Cumin grows well in Lincoln County's temperate climate. Lincoln County averages a 143-day frost-free season, with last frost around May 13 and first frost around October 3.

🌱

Your Lincoln County Garden Planner — Free

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

Sources & credits

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