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When to Plant Carrots in Hidalgo County, NM

Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

Hidalgo County, New Mexico is in USDA Zone 7b. The average last spring frost is April 22 and the first fall frost is October 28, giving you a growing season of approximately 189 days.

At an elevation of 2,926 feet, Hidalgo County receives approximately 11 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 94ยฐF, providing good warmth for Carrots during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Carrots will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Carrots successfully. Mulch heavily to conserve soil moisture.

Hidalgo County, NM (Zone 7b) Moderate season
189 days
Last Spring Frost April 22
189 growing days
First Fall Frost October 28

Hidalgo County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (90 days to spare)
Transplant: Apr 17 🍅 Harvest: Jun 19 – Jul 24
Recommended (50%) ✓ Fits season (91 days to spare)
Transplant: Apr 22 🍅 Harvest: Jun 24 – Jul 29
Safe Start (90%) ✓ Fits season (81 days to spare)
Transplant: May 17 🍅 Harvest: Jul 19 – Aug 23

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
1.0″/week
Rainfall provides
0.2″/week
You supply
1.3″/week
Watering frequency 2-3 times/week
Season total 2,131 gal / 100 sq ft
Drought risk

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

Carrots needs ~1,435 GDD — county provides 3,874 GDD Excellent fit

Carrots Planting Timeline โ€” Hidalgo County, NM

Carrots Planting Calendar

Activity When Date Range
Direct Sow April 8 Apr 8 โ€“ Apr 29
Fall Sowing August 19 Aug 19 โ€“ Sep 2
Harvest June 10 Jun 10 โ€“ Jul 15

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“80 days

Soil pH

6 โ€“ 6.8

USDA Zone

Zone 7b

Growing Season

189 days

Growing Tips for Hidalgo County

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Level Up Your Garden

๐ŸŒพ Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35ยฐF, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial โ€” requires two seasons.

Frequently Asked Questions

When should I plant Carrots in Hidalgo County, NM?

Hidalgo County is in Zone 7b with an average last frost of April 22. Plan your Carrots planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hidalgo County, NM?

Hidalgo County, New Mexico is in USDA Hardiness Zone 7b. The average last spring frost is April 22 and first fall frost is October 28.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hidalgo County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Hidalgo County, NM. Local conditions may vary. Last updated: April 2026.