When to Plant Comfrey in Smith County, TX
Comfrey is a vigorous perennial herb valued as a dynamic accumulator of nutrients. Its leaves make excellent mulch, compost activator, and liquid fertilizer.
Smith County, Texas is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 16, giving you a growing season of approximately 252 days.
At an elevation of 179 feet, Smith County receives approximately 59.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°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.
Smith County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.6-6.5
Drainage
Well Drained
Monthly Watering Guide for Comfrey
Comfrey needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Comfrey Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 1.6" | 0" | ❄️ Dormant |
| Feb | — | 1.8" | 0" | ❄️ Dormant |
| Mar | 4.3" | 3.7" | 0.6" | 💧 Light watering |
| Apr | 4.3" | 6.5" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 8.1" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 8.7" | 0" | ✅ Rainfall sufficient |
| Jul | 4.3" | 8.1" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 6.8" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 6.2" | 0" | ✅ Rainfall sufficient |
| Oct | 4.3" | 4.2" | 0.1" | 💧 Light watering |
| Nov | 4.3" | 2.2" | 2.1" | 💧 Light watering |
| Dec | — | 1.6" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Smith County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Comfrey Planting Timeline — Smith County, TX
Comfrey Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 16 | Mar 16 – Mar 30 |
| Harvest | May 18 | May 18 – Jul 27 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| 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
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8b
📆 Growing Season
252 days in Smith County
Growing Tips for Smith County
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
Check more plant combinations with our Companion Planting Checker →
Comfrey in Other Locations
Frequently Asked Questions
When should I plant Comfrey in Smith County, TX?
Smith County is in Zone 8b with an average last frost of March 9. Plan your Comfrey planting based on this frost date — see the calendar above for exact timing.
What planting zone is Smith County, TX?
Smith County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 16.
Your Smith County Garden Planner — Free
A 22-page printable planner built for Smith County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.