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When to Plant Malabar Spinach in Bernalillo County, NM

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

Bernalillo County, New Mexico is in USDA Zone 7a. The average last spring frost is April 30 and the first fall frost is October 14, giving you a growing season of approximately 167 days.

At an elevation of 4,326 feet, Bernalillo County receives approximately 16.3 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 91ยฐF, providing good warmth for Malabar Spinach during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” 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.

Bernalillo County, NM (Zone 7a) Moderate season
167 days
Last Spring Frost April 30
167 growing days
First Fall Frost October 14

Bernalillo County Soil Profile

Soil Type

Sandy Loam

Soil pH

6.8-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (72 days to spare)
Start indoors: Feb 26 Transplant: Apr 30 🍅 Harvest: Jun 25 – Jul 23
Recommended (50%) ✓ Fits season (69 days to spare)
Start indoors: Mar 12 Transplant: May 14 🍅 Harvest: Jul 9 – Aug 6
Safe Start (90%) ✓ Fits season (67 days to spare)
Start indoors: Apr 11 Transplant: Jun 13 🍅 Harvest: Aug 8 – Sep 5

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 Bernalillo County

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

Soil pH

Your soil pH (6.8โ€“8.2) overlaps with Malabar Spinach's range (6.0โ€“7.5), though not a perfect match.

Soil Texture

Sandy soil in Bernalillo 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

3
successive plantings in your 167-day season

Sow every 6.3 weeks. Last sowing by Aug 05 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 2,747 gal / 100 sq ft
Drought risk

Water stress score is 10/10 โ€” 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 โ€” 1" 0" โ„๏ธ Dormant
Feb โ€” 0.8" 0" โ„๏ธ Dormant
Mar โ€” 0.8" 0" โ„๏ธ Dormant
Apr 6.5" 0.5" 6" ๐Ÿšฟ Regular watering
May 6.5" 0.3" 6.2" ๐Ÿšฟ Regular watering
Jun 6.5" 0.6" 5.9" ๐Ÿšฟ Regular watering
Jul 6.5" 3.1" 3.4" ๐Ÿšฟ Regular watering
Aug 6.5" 3.2" 3.3" ๐Ÿšฟ Regular watering
Sep 6.5" 2.3" 4.2" ๐Ÿšฟ Regular watering
Oct 6.5" 1.4" 5.1" ๐Ÿšฟ Regular watering
Nov โ€” 1" 0" โ„๏ธ Dormant
Dec โ€” 1.2" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Aprโ€“Oct in Bernalillo County). Supplement amounts are based on average rainfall โ€” 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" 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.

Malabar Spinach needs ~1,141 GDD — county provides 3,047 GDD Excellent fit

Malabar Spinach Planting Timeline โ€” Bernalillo County, NM

Malabar Spinach Planting Calendar

Activity When Date Range
Start Indoors March 12 Mar 12 โ€“ Mar 26
Transplant Outdoors May 14 May 14 โ€“ May 28
Direct Sow May 7 May 7 โ€“ May 28
Harvest July 9 Jul 9 โ€“ Aug 6

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1.5"/week ยท 2-3 times/week

๐Ÿ“… Days to Maturity

55โ€“70 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

167 days in Bernalillo County

Growing Tips for Malabar Spinach in Bernalillo County

Direct sow Malabar Spinach outdoors after April 30 in Bernalillo County when soil has warmed and frost danger has passed.

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

Bernalillo County receives only 16" of rain annually. Malabar Spinach needs consistent moisture โ€” 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 Bernalillo County, NM?

Bernalillo County is in Zone 7a with an average last frost of April 30. Plan your Malabar Spinach planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Bernalillo County, NM?

Bernalillo County, New Mexico is in USDA Hardiness Zone 7a. The average last spring frost is April 30 and first fall frost is October 14.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Bernalillo County gardeners in Zone 7a 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 Bernalillo County, NM. Local conditions may vary. Last updated: April 2026.