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When to Plant Comfrey in Natchitoches Parish, LA

Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.

Natchitoches Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 13 and the first fall frost is November 12, giving you a growing season of approximately 244 days.

At an elevation of 227 feet, Natchitoches Parish receives approximately 49.2 inches of rainfall annually with predominantly loam soil. Summer highs average 91ยฐF, providing good warmth for Comfrey during the growing season.

Natchitoches Parish, LA (Zone 8b) Long season
244 days
Last Spring Frost March 13
244 growing days
First Fall Frost November 12

Natchitoches Parish Soil Profile

Soil Type

Loam

Soil pH

6.2-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (102 days to spare)
Transplant: Mar 11 🍅 Harvest: May 13 – Jul 22
Recommended (50%) ✓ Fits season (104 days to spare)
Transplant: Mar 20 🍅 Harvest: May 22 – Jul 31
Safe Start (90%) ✓ Fits season (96 days to spare)
Transplant: Apr 16 🍅 Harvest: Jun 18 – Aug 27

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
0.2″/week
Watering frequency Only during dry spells
Season total 333 gal / 100 sq ft
Comfrey needs ~1,369 GDD — county provides 4,453 GDD Excellent fit

Comfrey Planting Timeline โ€” Natchitoches Parish, LA

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Harvest May 22 May 22 โ€“ Jul 31

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

244 days

Growing Tips for Natchitoches Parish

Plant root cuttings 2 inches deep. Choose Bocking 14 variety to prevent self-seeding. Cut leaves 3-4 times per season for mulch or compost. Avoid planting near pathways as it spreads.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Comfrey in Natchitoches Parish, LA?

Natchitoches Parish is in Zone 8b with an average last frost of March 13. Plan your Comfrey planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Natchitoches Parish, LA?

Natchitoches Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 13 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 Natchitoches Parish gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Natchitoches Parish, LA. Local conditions may vary. Last updated: April 2026.