When to Plant Horseradish in Red River Parish, LA
Your May planting checklist for Red River Parish, Louisiana
Welcome to May in Zone 8b. These are the moves that will have the biggest impact on your growing season.
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.
Red River Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 16, giving you a growing season of approximately 253 days.
At an elevation of 477 feet, Red River Parish receives approximately 56.4 inches of rainfall annually with predominantly loam soil. Summer highs average 91°F, providing good warmth for Horseradish during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Horseradish root diseases.
Red River Parish Soil Profile
Soil Type
Loam
Soil pH
5.8-7.2
Drainage
Well Drained
Monthly Watering Guide for Horseradish
Horseradish needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Horseradish Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.3" | 0" | ❄️ Dormant |
| Feb | — | 4.9" | 0" | ❄️ Dormant |
| Mar | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 4.4" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 5" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 6.5" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 5.1" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 4" | 0.3" | 💧 Light watering |
| Oct | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Nov | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| Dec | — | 4.1" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Red River Parish). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Horseradish Planting Timeline — Red River Parish, LA
Horseradish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 22 | Mar 22 – Apr 5 |
| Harvest | July 26 | Jul 26 – Oct 4 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | Transplant Outdoors |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
120–180 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8b
📆 Growing Season
253 days in Red River Parish
Growing Tips for Red River 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
Check more plant combinations with our Companion Planting Checker →
Horseradish in Other Locations
Frequently Asked Questions
When should I plant Horseradish in Red River Parish, LA?
Red River Parish is in Zone 8b with an average last frost of March 8. Plan your Horseradish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Red River Parish, LA?
Red River Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 16.
Your Red River Parish Garden Planner — Free
A 24-page printable planner built for Red River Parish (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.