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When to Plant Horseradish in East Feliciana Parish, LA

Horseradish is a vigorous perennial grown for its pungent, spicy roots used as a condiment. Once established, it can be difficult to eradicate, so choose its location carefully.

East Feliciana Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 17 and the first fall frost is December 2, giving you a growing season of approximately 288 days.

At an elevation of 75 feet, East Feliciana Parish receives approximately 55.6 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Horseradish may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Horseradish will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Horseradish root diseases.

East Feliciana Parish, LA (Zone 8b) Year-round
288 days
Last Spring Frost February 17
288 growing days
First Fall Frost December 2

East Feliciana Parish Soil Profile

Soil Type

Sandy Loam

Soil pH

4.9-6.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (74 days to spare)
Transplant: Feb 25 🍅 Harvest: Jul 1 – Sep 9
Recommended (50%) ✓ Fits season (78 days to spare)
Transplant: Mar 3 🍅 Harvest: Jul 7 – Sep 15
Safe Start (90%) ✓ Fits season (74 days to spare)
Transplant: Mar 25 🍅 Harvest: Jul 29 – Oct 7

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
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Horseradish needs ~3,300 GDD — county provides 6,358 GDD Excellent fit

Horseradish Planting Timeline โ€” East Feliciana Parish, LA

Horseradish Planting Calendar

Activity When Date Range
Transplant Outdoors March 3 Mar 3 โ€“ Mar 17
Harvest July 7 Jul 7 โ€“ Sep 15

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

120โ€“180 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8b

Growing Season

288 days

Growing Tips for East Feliciana Parish

Plant root cuttings at a 45-degree angle in early spring. Harvest roots in late fall for strongest flavor. Contain the plant with barriers or grow in large containers.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Horseradish in East Feliciana Parish, LA?

East Feliciana Parish is in Zone 8b with an average last frost of February 17. Plan your Horseradish planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is East Feliciana Parish, LA?

East Feliciana Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 17 and first fall frost is December 2.

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Plan Your Garden with Confidence

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