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When to Plant Chard in Caldwell Parish, LA

Swiss chard is a colorful, heat-tolerant green with large crinkled leaves and vibrant stalks in red, yellow, and white. Both the leaves and stems are edible and nutritious.

Caldwell Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 10 and the first fall frost is November 12, giving you a growing season of approximately 247 days.

At an elevation of 334 feet, Caldwell Parish receives approximately 49.6 inches of rainfall annually with predominantly loam soil. Summer highs average 96ยฐF, so Chard may need afternoon shade and extra watering during peak heat.

Caldwell Parish, LA (Zone 8b) Long season
247 days
Last Spring Frost March 10
247 growing days
First Fall Frost November 12

Caldwell Parish Soil Profile

Soil Type

Loam

Soil pH

5.9-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (139 days to spare)
Start indoors: Jan 28 Transplant: Mar 4 🍅 Harvest: Apr 29 – Jun 17
Recommended (50%) ✓ Fits season (142 days to spare)
Start indoors: Feb 3 Transplant: Mar 10 🍅 Harvest: May 5 – Jun 23
Safe Start (90%) ✓ Fits season (132 days to spare)
Start indoors: Mar 3 Transplant: Apr 7 🍅 Harvest: Jun 2 – Jul 21

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
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 344 gal / 100 sq ft
Chard needs ~1,210 GDD — county provides 5,434 GDD Excellent fit

Chard Planting Timeline โ€” Caldwell Parish, LA

Chard Planting Calendar

Activity When Date Range
Start Indoors February 3 Feb 3 โ€“ Feb 17
Transplant Outdoors March 10 Mar 10 โ€“ Mar 24
Direct Sow February 24 Feb 24 โ€“ Mar 17
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest May 5 May 5 โ€“ Jun 23

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

50โ€“60 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

247 days

Growing Tips for Caldwell Parish

Direct sow or transplant after last frost. Harvest outer leaves regularly to encourage continuous production. Chard tolerates both heat and light frost.

Companion Planting

Good Companions

Avoid Planting Near

  • Corn
  • Cucumbers

Level Up Your Garden

Frequently Asked Questions

When should I plant Chard in Caldwell Parish, LA?

Caldwell Parish is in Zone 8b with an average last frost of March 10. Plan your Chard planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Caldwell Parish, LA?

Caldwell Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 10 and first fall frost is November 12.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Caldwell 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 Caldwell Parish, LA. Local conditions may vary. Last updated: April 2026.