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When to Plant New Zealand Spinach in Bolivar County, MS

Bolivar County, Mississippi Zone 8b May

What to do in May

We've pulled the most time-sensitive tasks for Bolivar County, Mississippi this May and put them front and centre. Tackle them in order.

Avg. last frost March 12
Avg. first frost November 11
Soil temp (4") 73°F
Watering Low
Pest pressure High
Daylight 13.8 hrs
  1. Start harvesting new zealand spinach

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

A few tasks this May that'll pay off in June
  • 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.

Bolivar County, Mississippi is in USDA Zone 8b. The average last spring frost is March 12 and the first fall frost is November 11, giving you a growing season of approximately 244 days.

At an elevation of 299 feet, Bolivar County receives approximately 56.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so New Zealand Spinach may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for New Zealand Spinach, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent New Zealand Spinach root diseases.

Bolivar County, MS (Zone 8b) Long season
244 days
Last Spring Frost March 12
244 growing days
First Fall Frost November 11

Bolivar County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (145 days to spare)
Start indoors: Jan 15 Transplant: Mar 19 🍅 Harvest: May 14 – Jun 11
Recommended (50%) ✓ Fits season (146 days to spare)
Start indoors: Jan 22 Transplant: Mar 26 🍅 Harvest: May 21 – Jun 18
Safe Start (90%) ✓ Fits season (142 days to spare)
Start indoors: Feb 13 Transplant: Apr 17 🍅 Harvest: Jun 12 – Jul 10

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 Bolivar County

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

Soil pH

Your soil pH (5.6–6.6) overlaps with New Zealand Spinach's range (6.0–7.5), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is moderate (2.1%). 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

5
successive plantings in your 244-day season

Sow every 6.3 weeks. Last sowing by Sep 02 to harvest before frost.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 75 gal / 100 sq ft

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 5" 0" ❄️ Dormant
Feb 4.3" 0" ❄️ Dormant
Mar 4.3" 4.6" 0" ✅ Rainfall sufficient
Apr 4.3" 4.1" 0.2" 💧 Light watering
May 4.3" 4.7" 0" ✅ Rainfall sufficient
Jun 4.3" 5.4" 0" ✅ Rainfall sufficient
Jul 4.3" 5.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.9" 0" ✅ Rainfall sufficient
Sep 4.3" 4" 0.3" 💧 Light watering
Oct 4.3" 4" 0.3" 💧 Light watering
Nov 4.3" 4.8" 0" ✅ Rainfall sufficient
Dec 5" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Bolivar 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 ~1,422 GDD — county provides 5,551 GDD Excellent fit

New Zealand Spinach Planting Timeline — Bolivar County, MS

New Zealand Spinach Planting Calendar

Activity When Date Range
Start Indoors January 22 Jan 22 – Feb 5
Transplant Outdoors March 26 Mar 26 – Apr 9
Direct Sow March 19 Mar 19 – Apr 9
Harvest May 21 May 21 – Jun 18

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

55–70 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 8b

📆 Growing Season

244 days in Bolivar County

Growing Tips for New Zealand Spinach in Bolivar County

Direct sow New Zealand Spinach outdoors after March 12 in Bolivar County when soil has warmed and frost danger has passed.

With Bolivar County's clay soil (30% clay), work in 3-4 inches of compost before planting New Zealand Spinach. Avoid tilling when soil is wet to prevent compaction.

With summer highs reaching 97°F in Bolivar County, provide afternoon shade for New Zealand Spinach and water deeply in the morning.

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 Bolivar County, MS?

Bolivar County is in Zone 8b with an average last frost of March 12. Plan your New Zealand Spinach planting based on this frost date — see the calendar above for exact timing.

What planting zone is Bolivar County, MS?

Bolivar County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 12 and first fall frost is November 11.

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Your Bolivar County Garden Planner — Free

A 24-page printable planner built for Bolivar County (Zone 8b). 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 Bolivar County, MS. 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.