When to Plant Comfrey in Terrebonne 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.
Terrebonne Parish, Louisiana is in USDA Zone 9a. The average last spring frost is February 7 and the first fall frost is December 8, giving you a growing season of approximately 304 days.
At an elevation of 484 feet, Terrebonne Parish receives approximately 61.9 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102°F, so Comfrey may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Comfrey will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Comfrey root diseases.
Terrebonne Parish Soil Profile
Soil Type
Sandy Loam
Soil pH
5.1-6.4
Drainage
Well Drained
Plant Planting Risk Windows
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
Comfrey Planting Timeline — Terrebonne Parish, LA
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | February 14 | Feb 14 – Feb 28 |
| Harvest | April 18 | Apr 18 – Jun 27 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Transplant Outdoors |
| March | — |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7
USDA Zone
Zone 9a
Growing Season
304 days
Growing Tips for Terrebonne 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
Comfrey in Other Locations
Frequently Asked Questions
When should I plant Comfrey in Terrebonne Parish, LA?
Terrebonne Parish is in Zone 9a with an average last frost of February 7. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is Terrebonne Parish, LA?
Terrebonne Parish, Louisiana is in USDA Hardiness Zone 9a. The average last spring frost is February 7 and first fall frost is December 8.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Terrebonne Parish gardeners in Zone 9a organize planting dates, track what's growing, and never miss a planting window.
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