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When to Plant New Zealand Spinach in Hardeman County, TX

Hardeman County, Texas Zone 7b May

May in Hardeman County, Texas — your action list

A quick May briefing for Hardeman County, Texas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 30
Avg. first frost November 7
Soil temp (4") 65°F
Watering Low
Pest pressure Moderate
Daylight 13.8 hrs
  1. Begin indoor sowing: new zealand spinach

    These need a head start before your last frost (March 30). Sow into cells now so you're ready to transplant in a few weeks.

Coming up in June — start thinking about
  • First harvests: new zealand spinach

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New Zealand spinach is a heat-tolerant ground-cover plant with thick, triangular leaves that taste similar to true spinach. It thrives in hot weather when regular spinach bolts.

Hardeman County, Texas is in USDA Zone 7b. The average last spring frost is March 30 and the first fall frost is November 7, giving you a growing season of approximately 222 days.

At an elevation of 2,010 feet, Hardeman County receives approximately 47.8 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for New Zealand Spinach during the growing season.

Hardeman County, TX (Zone 7b) Long season
222 days
Last Spring Frost March 30
222 growing days
First Fall Frost November 7
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Hardeman County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (121 days to spare)
Start indoors: Feb 2 Transplant: Apr 6 🍅 Harvest: Jun 1 – Jun 29
Recommended (50%) ✓ Fits season (124 days to spare)
Start indoors: Feb 9 Transplant: Apr 13 🍅 Harvest: Jun 8 – Jul 6
Safe Start (90%) ✓ Fits season (121 days to spare)
Start indoors: Feb 25 Transplant: Apr 29 🍅 Harvest: Jun 24 – Jul 22

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 Hardeman County

How your county's soil matches New Zealand Spinach's growing requirements.

Soil pH

Your soil pH (6.7–7.3) is within New Zealand Spinach's preferred range (6.0–7.5).

Soil Texture

The loam soil in Hardeman County is excellent for New Zealand Spinach — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for New Zealand Spinach.

Organic Matter

Organic matter is moderate (2.4%). Annual compost additions will help New Zealand Spinach.

How to Plant New Zealand Spinach

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

Succession Planting New Zealand Spinach

4
successive plantings in your 222-day season

Sow every 6.3 weeks. Last sowing by Aug 29 to harvest before frost.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 938 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for New Zealand Spinach

New Zealand Spinach needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month New Zealand Spinach Needs Rainfall You Supplement Action
Jan 1.4" 0" ❄️ Dormant
Feb 1.4" 0" ❄️ Dormant
Mar 4.3" 3" 1.3" 💧 Light watering
Apr 4.3" 4.7" 0" ✅ Rainfall sufficient
May 4.3" 7.5" 0" ✅ Rainfall sufficient
Jun 4.3" 7.1" 0" ✅ Rainfall sufficient
Jul 4.3" 6.7" 0" ✅ Rainfall sufficient
Aug 4.3" 5.3" 0" ✅ Rainfall sufficient
Sep 4.3" 5.1" 0" ✅ Rainfall sufficient
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 4.3" 1.5" 2.8" 🚿 Regular watering
Dec 1.1" 0" ❄️ Dormant

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

New Zealand 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.

New Zealand Spinach needs ~1,047 GDD — county provides 3,718 GDD Excellent fit

New Zealand Spinach Planting Timeline — Hardeman County, TX

New Zealand Spinach Planting Calendar

Activity When Date Range
Start Indoors February 9 Feb 9 – Feb 23
Transplant Outdoors April 13 Apr 13 – Apr 27
Direct Sow April 6 Apr 6 – Apr 27
Harvest June 8 Jun 8 – Jul 6

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

Month-by-Month Timeline

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

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: ideal

🗺️ USDA Zone

Zone 7b

📆 Growing Season

222 days in Hardeman County

Growing Tips for New Zealand Spinach in Hardeman County

Direct sow New Zealand Spinach outdoors after March 30 in Hardeman County when soil has warmed and frost danger has passed.

General growing tips

Soak seeds overnight before planting. Direct sow after last frost. Pinch growing tips regularly to encourage bushy growth and tender new leaves.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant New Zealand Spinach in Hardeman County, TX?

Hardeman County is in Zone 7b with an average last frost of March 30. Plan your New Zealand Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hardeman County, TX?

Hardeman County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 30 and first fall frost is November 7.

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Your Hardeman County Garden Planner — Free

A 24-page printable planner built for Hardeman 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 Hardeman County, TX. 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.