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When to Plant Endive in McKinley County, NM

Endive is a leafy green with a slightly bitter flavor, available in curly (frisee) and broad-leaved (escarole) types. It adds texture and complexity to salads.

McKinley County, New Mexico is in USDA Zone 5b. 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 86ยฐF, providing good warmth for Endive during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Endive will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Endive successfully. Mulch heavily to conserve soil moisture.

McKinley County, NM (Zone 5b) Short season
118 days
Last Spring Frost May 29
118 growing days
First Fall Frost September 24

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 (35 days to spare)
Start indoors: Apr 19 Transplant: May 24 🍅 Harvest: Jul 12 – Aug 16
Recommended (50%) ✓ Fits season (34 days to spare)
Start indoors: Apr 24 Transplant: May 29 🍅 Harvest: Jul 17 – Aug 21
Safe Start (90%) ✓ Fits season (31 days to spare)
Start indoors: May 10 Transplant: Jun 14 🍅 Harvest: Aug 2 – Sep 6

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 Endive's growing requirements.

Soil pH

Your soil pH (7.3โ€“8.2) is more alkaline than Endive prefers (5.5โ€“7.0). Add sulfur or peat moss to lower pH.

Soil Texture

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

Drainage

Drainage is adequate for Endive.

Organic Matter

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

How to Plant Endive

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 Endive

3
successive plantings in your 118-day season

Sow every 5.1 weeks. Last sowing by Jul 21 to harvest before frost.

For a dedicated fall crop, sow by Jul 16.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.4″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 676 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Endive

Endive needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Endive Needs Rainfall You Supplement Action
Jan โ€” 0.8" 0" โ„๏ธ Dormant
Feb โ€” 0.6" 0" โ„๏ธ Dormant
Mar โ€” 0.7" 0" โ„๏ธ Dormant
Apr โ€” 0.4" 0" โ„๏ธ Dormant
May 3" 0.3" 2.7" ๐Ÿšฟ Regular watering
Jun 3" 0.4" 2.6" ๐Ÿšฟ Regular watering
Jul 3" 1.8" 1.2" ๐Ÿ’ง Light watering
Aug 3" 2" 1" ๐Ÿ’ง Light watering
Sep 3" 1.3" 1.7" ๐Ÿšฟ Regular watering
Oct โ€” 0.9" 0" โ„๏ธ Dormant
Nov โ€” 0.6" 0" โ„๏ธ Dormant
Dec โ€” 0.8" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Mayโ€“Sep in McKinley County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Endive 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" โ€” every day above 50ยฐF 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.

Endive needs ~798 GDD — county provides 1,711 GDD Excellent fit

Endive Planting Timeline โ€” McKinley County, NM

Endive Planting Calendar

Activity When Date Range
Start Indoors April 24 Apr 24 โ€“ May 8
Transplant Outdoors May 29 May 29 โ€“ Jun 12
Direct Sow May 15 May 15 โ€“ Jun 5
Harvest July 17 Jul 17 โ€“ Aug 21
Fall Sowing July 16 Jul 16 โ€“ Jul 30

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Partial Shade (3-6 hours)

๐Ÿ’ง Water

0.7"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

45โ€“65 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 5b

๐Ÿ“† Growing Season

118 days in McKinley County

Growing Tips for Endive in McKinley County

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

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

Common pests for Endive in this region include aphids and slugs. Use row covers early in the season and inspect plants weekly.

General growing tips

Sow seeds directly in spring or fall. Blanch heads by tying outer leaves together 2-3 weeks before harvest to reduce bitterness. Keep soil evenly moist.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Endive in McKinley County, NM?

McKinley County is in Zone 5b with an average last frost of May 29. Plan your Endive planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is McKinley County, NM?

McKinley County, New Mexico is in USDA Hardiness Zone 5b. The average last spring frost is May 29 and first fall frost is September 24.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help McKinley County gardeners in Zone 5b 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 McKinley County, NM. Local conditions may vary. Last updated: April 2026.