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When to Plant Malabar Spinach in Roosevelt County, NM

Roosevelt County, New Mexico Zone 7b May

Your May game plan for Roosevelt County, New Mexico

May rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Roosevelt County, New Mexico.

Avg. last frost April 18
Avg. first frost October 22
Soil temp (4") 57°F
Watering Critical
Pest pressure Moderate
Daylight 13.8 hrs
  1. Move malabar spinach from tray to bed

    Your last frost (April 18) has passed. These warm-season crops can handle outdoor soil now.

A few tasks this May that'll pay off in June
  • Starting indoors: malabar spinach
  • First harvests: malabar spinach

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Malabar spinach is a tropical vine with thick, succulent leaves that taste similar to spinach. Unlike true spinach, it thrives in heat and humidity.

Roosevelt County, New Mexico is in USDA Zone 7b. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.

At an elevation of 3,802 feet, Roosevelt County receives approximately 18 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 89°F, providing good warmth for Malabar Spinach during the growing season. Sandy soil warms quickly in spring — great for early planting — but Malabar Spinach will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Malabar Spinach successfully. Mulch heavily to conserve soil moisture.

Roosevelt County, NM (Zone 7b) Moderate season
187 days
Last Spring Frost April 18
187 growing days
First Fall Frost October 22

Roosevelt County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (87 days to spare)
Start indoors: Feb 23 Transplant: Apr 27 🍅 Harvest: Jun 22 – Jul 20
Recommended (50%) ✓ Fits season (89 days to spare)
Start indoors: Feb 28 Transplant: May 2 🍅 Harvest: Jun 27 – Jul 25
Safe Start (90%) ✓ Fits season (93 days to spare)
Start indoors: Mar 14 Transplant: May 16 🍅 Harvest: Jul 11 – Aug 8

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 Roosevelt County

How your county's soil matches Malabar Spinach's growing requirements.

Soil pH

Your soil pH (7.2–8.4) is more alkaline than Malabar Spinach prefers (6.0–7.5). Add sulfur or peat moss to lower pH.

Soil Texture

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

Drainage

Malabar Spinach is a heavy drinker but your soil drains very quickly. Mulch heavily and consider drip irrigation.

Organic Matter

Organic matter is low (0.7%). Add 2-3 inches of compost before planting Malabar Spinach.

How to Plant Malabar Spinach

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

Succession Planting Malabar Spinach

4
successive plantings in your 187-day season

Sow every 6.3 weeks. Last sowing by Aug 13 to harvest before frost.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.4″/week
You supply
1.9″/week
Watering frequency 2-3 times/week
Season total 3,087 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Malabar Spinach

Malabar Spinach needs approximately 1.5 inches of water per week (6.5" per month). Here's how your county's rainfall compares month by month.

Month Malabar Spinach Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 0.9" 0" ❄️ Dormant
Mar 1.1" 0" ❄️ Dormant
Apr 6.5" 0.5" 6" 🚿 Regular watering
May 6.5" 0.3" 6.2" 🚿 Regular watering
Jun 6.5" 0.6" 5.9" 🚿 Regular watering
Jul 6.5" 3.3" 3.2" 💧 Light watering
Aug 6.5" 3.9" 2.6" 💧 Light watering
Sep 6.5" 2.6" 3.9" 🚿 Regular watering
Oct 6.5" 1.4" 5.1" 🚿 Regular watering
Nov 1" 0" ❄️ Dormant
Dec 1" 0" ❄️ Dormant

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

Malabar Spinach 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.

Malabar Spinach needs ~1,047 GDD — county provides 3,132 GDD Excellent fit

Malabar Spinach Planting Timeline — Roosevelt County, NM

Malabar Spinach Planting Calendar

Activity When Date Range
Start Indoors February 28 Feb 28 – Mar 14
Transplant Outdoors May 2 May 2 – May 16
Direct Sow April 25 Apr 25 – May 16
Harvest June 27 Jun 27 – Jul 25

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1.5"/week · 2-3 times/week

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 7b

📆 Growing Season

187 days in Roosevelt County

Growing Tips for Malabar Spinach in Roosevelt County

Direct sow Malabar Spinach outdoors after April 18 in Roosevelt County when soil has warmed and frost danger has passed.

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

Roosevelt County receives only 18" of rain annually. Malabar Spinach needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Direct sow after last frost or start indoors. Provide a trellis for the vigorous vines. Harvest young leaves regularly; older leaves become mucilaginous when cooked.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Malabar Spinach in Roosevelt County, NM?

Roosevelt County is in Zone 7b with an average last frost of April 18. Plan your Malabar Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Roosevelt County, NM?

Roosevelt County, New Mexico is in USDA Hardiness Zone 7b. The average last spring frost is April 18 and first fall frost is October 22.

🌱

Your Roosevelt County Garden Planner — Free

A 24-page printable planner built for Roosevelt County (Zone 7b). 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 Roosevelt County, NM. Local conditions may vary. Last updated: May 2026.

Sources & credits

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