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When to Plant New Zealand Spinach in Grant Parish, LA

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.

Grant Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 3 and the first fall frost is November 19, giving you a growing season of approximately 261 days.

At an elevation of 356 feet, Grant Parish receives approximately 56.8 inches of rainfall annually with predominantly loam soil. Summer highs average 92ยฐF, providing good warmth for New Zealand Spinach during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent New Zealand Spinach root diseases.

Grant Parish, LA (Zone 8b) Long season
261 days
Last Spring Frost March 3
261 growing days
First Fall Frost November 19

Grant Parish Soil Profile

Soil Type

Loam

Soil pH

6.1-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (167 days to spare)
Start indoors: Jan 2 Transplant: Mar 6 🍅 Harvest: May 1 – May 29
Recommended (50%) ✓ Fits season (163 days to spare)
Start indoors: Jan 13 Transplant: Mar 17 🍅 Harvest: May 12 – Jun 9
Safe Start (90%) ✓ Fits season (167 days to spare)
Start indoors: Feb 3 Transplant: Apr 7 🍅 Harvest: Jun 2 – Jun 30

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 200 gal / 100 sq ft
New Zealand Spinach needs ~1,188 GDD — county provides 4,959 GDD Excellent fit

New Zealand Spinach Planting Timeline โ€” Grant Parish, LA

New Zealand Spinach Planting Calendar

Activity When Date Range
Start Indoors January 13 Jan 13 โ€“ Jan 27
Transplant Outdoors March 17 Mar 17 โ€“ Mar 31
Direct Sow March 10 Mar 10 โ€“ Mar 31
Harvest May 12 May 12 โ€“ Jun 9

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

55โ€“70 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8b

Growing Season

261 days

Growing Tips for Grant Parish

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

Level Up Your Garden

Frequently Asked Questions

When should I plant New Zealand Spinach in Grant Parish, LA?

Grant Parish is in Zone 8b with an average last frost of March 3. Plan your New Zealand Spinach planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Grant Parish, LA?

Grant Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 3 and first fall frost is November 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Grant Parish gardeners in Zone 8b 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 Grant Parish, LA. Local conditions may vary. Last updated: April 2026.