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When to Plant Carrots in McKinley County, NM

McKinley County, New Mexico Zone 6a April

What to do in April

We've pulled the most time-sensitive tasks for McKinley County, New Mexico this April and put them front and centre. Tackle them in order.

Avg. last frost May 29
Avg. first frost September 24
Soil temp (4") 25°F
Watering Critical
Pest pressure Low
Daylight 12.9 hrs
A few tasks this April that'll pay off in May
  • Direct-sowing: carrots

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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.

McKinley County, New Mexico is in USDA Zone 6a. The average last spring frost is May 29 and the first fall frost is September 24, giving you a growing season of approximately 118 days.

At an elevation of 7,104 feet, McKinley County receives approximately 10.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 86°F, providing good warmth for Carrots during the growing season. Sandy soil warms quickly in spring — great for early planting — 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.

McKinley County, NM (Zone 6a) Short season
118 days
Last Spring Frost May 29
118 growing days
First Fall Frost September 24
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McKinley County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.3-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (21 days to spare)
Transplant: May 24 🍅 Harvest: Jul 26 – Aug 30
Recommended (50%) ✓ Fits season (20 days to spare)
Transplant: May 29 🍅 Harvest: Jul 31 – Sep 4
Safe Start (90%) ✓ Fits season (17 days to spare)
Transplant: Jun 14 🍅 Harvest: Aug 16 – Sep 20

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.

Soil Compatibility in McKinley County

How your county's soil matches Carrots's growing requirements.

Soil pH

Your soil pH (7.3–8.2) is more alkaline than Carrots prefers (6.0–6.8). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in McKinley County warms quickly in spring but drains fast. Carrots will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Carrots.

Organic Matter

Organic matter is low (0.8%). Add 2-3 inches of compost before planting Carrots.

How to Plant Carrots

0.5"
Planting Depth
6"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Carrots

2
successive plantings in your 118-day season

Sow every 6.9 weeks. Last sowing by Jul 06 to harvest before frost.

For a dedicated fall crop, sow by Jul 16.

Plant Water Budget

Plant needs
0.8″/week
Rainfall provides
0.4″/week
You supply
0.8″/week
Watering frequency 2-3 times/week
Season total 840 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Carrots

Carrots needs approximately 0.8 inches of water per week (3.5" per month). Here's how your county's rainfall compares month by month.

Month Carrots Needs Rainfall You Supplement Action
Jan 0.8" 0" ❄️ Dormant
Feb 0.6" 0" ❄️ Dormant
Mar 0.7" 0" ❄️ Dormant
Apr 0.4" 0" ❄️ Dormant
May 3.5" 0.3" 3.2" 🚿 Regular watering
Jun 3.5" 0.4" 3.1" 🚿 Regular watering
Jul 3.5" 1.8" 1.7" 💧 Light watering
Aug 3.5" 2" 1.5" 💧 Light watering
Sep 3.5" 1.3" 2.2" 🚿 Regular watering
Oct 0.9" 0" ❄️ Dormant
Nov 0.6" 0" ❄️ Dormant
Dec 0.8" 0" ❄️ Dormant

Water needs are for active growing months only (May–Sep in McKinley County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Carrots Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Carrots needs ~1,015 GDD — county provides 1,711 GDD Excellent fit

Carrots Planting Timeline — McKinley County, NM

Carrots Planting Calendar

Activity When Date Range
Direct Sow May 15 May 15 – Jun 5
Harvest July 17 Jul 17 – Aug 21
Fall Sowing July 16 Jul 16 – Jul 30

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

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June Direct Sow
July Fall Sowing Harvest
August Harvest
September
October
November
December
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.8"/week · 2-3 times/week

📅 Days to Maturity

60–80 days

🧪 Soil pH

Needs 6–6.8 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6a

📆 Growing Season

118 days in McKinley County

Growing Tips for Carrots in McKinley County

Direct sow Carrots outdoors after May 29 in McKinley County when soil has warmed and frost danger has passed.

Sandy soil in McKinley County dries quickly — mulch Carrots with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Common pests for Carrots in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.

General growing tips

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.

Recommended Carrots Varieties for McKinley County

Fast-maturing varieties for your season

Adelaide (50d) Mokum (54d) Nelson (56d)

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Check more plant combinations with our Companion Planting Checker →

🌾 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 35°F, under 50% humidity.

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

Frequently Asked Questions

When should I plant Carrots in McKinley County, NM?

McKinley County is in Zone 6a with an average last frost of May 29. Plan your Carrots planting based on this frost date — see the calendar above for exact timing.

What planting zone is McKinley County, NM?

McKinley County, New Mexico is in USDA Hardiness Zone 6a. The average last spring frost is May 29 and first fall frost is September 24.

🌱

Your McKinley County Garden Planner — Free

A 24-page printable planner built for McKinley County (Zone 6a). 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 McKinley County, NM. Local conditions may vary. Last updated: April 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.