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When to Plant Cumin in Santa Fe County, NM

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.

Santa Fe County, New Mexico is in USDA Zone 6a. The average last spring frost is May 10 and the first fall frost is October 7, giving you a growing season of approximately 150 days.

At an elevation of 4,073 feet, Santa Fe County receives approximately 13 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 89ยฐF, providing good warmth for Cumin during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Cumin will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Cumin successfully. Mulch heavily to conserve soil moisture.

Santa Fe County, NM (Zone 6a) Moderate season
150 days
Last Spring Frost May 10
150 growing days
First Fall Frost October 7

Santa Fe County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Mar 28 Transplant: Apr 25 🍅 Harvest: Aug 8 – Oct 10
Recommended (50%) ✗ May not fit
Start indoors: Apr 5 Transplant: May 3 🍅 Harvest: Aug 16 – Oct 18
Safe Start (90%) ✗ May not fit
Start indoors: Apr 21 Transplant: May 19 🍅 Harvest: Sep 1 – Nov 3

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
0.4″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 458 gal / 100 sq ft
Drought risk

Water stress score is 10/10 โ€” consider drought-tolerant varieties and mulching

Cumin needs ~1,842 GDD — county provides 2,512 GDD Excellent fit

Cumin Planting Timeline โ€” Santa Fe County, NM

Cumin Planting Calendar

Activity When Date Range
Start Indoors April 5 Apr 5 โ€“ Apr 19
Transplant Outdoors May 3 May 3 โ€“ May 17
Direct Sow April 26 Apr 26 โ€“ May 17
Fall Sowing July 29 Jul 29 โ€“ Aug 12
Harvest August 16 Aug 16 โ€“ Oct 18

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

100โ€“120 days

Soil pH

6 โ€“ 8

USDA Zone

Zone 6a

Growing Season

150 days

Growing Tips for Santa Fe 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Cumin in Santa Fe County, NM?

Santa Fe County is in Zone 6a with an average last frost of May 10. Plan your Cumin planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Santa Fe County, NM?

Santa Fe County, New Mexico is in USDA Hardiness Zone 6a. The average last spring frost is May 10 and first fall frost is October 7.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Santa Fe County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

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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 Santa Fe County, NM. Local conditions may vary. Last updated: April 2026.