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When to Plant Comfrey in Stonewall 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.

Stonewall County, Texas is in USDA Zone 7b. The average last spring frost is March 24 and the first fall frost is November 14, giving you a growing season of approximately 235 days.

At an elevation of 2,417 feet, Stonewall County receives approximately 57.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98ยฐF, so Comfrey may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” 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.

Stonewall County, TX (Zone 7b) Long season
235 days
Last Spring Frost March 24
235 growing days
First Fall Frost November 14

Stonewall County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (92 days to spare)
Transplant: Mar 24 🍅 Harvest: May 26 – Aug 4
Recommended (50%) ✓ Fits season (95 days to spare)
Transplant: Mar 31 🍅 Harvest: Jun 2 – Aug 11
Safe Start (90%) ✓ Fits season (85 days to spare)
Transplant: Apr 22 🍅 Harvest: Jun 24 – Sep 2

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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Comfrey needs ~1,762 GDD — county provides 5,522 GDD Excellent fit

Comfrey Planting Timeline โ€” Stonewall County, TX

Comfrey Planting Calendar

Activity When Date Range
Transplant Outdoors March 31 Mar 31 โ€“ Apr 14
Harvest June 2 Jun 2 โ€“ Aug 11

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 โ€”
June Harvest
July Harvest
August Harvest
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 7b

Growing Season

235 days

Growing Tips for Stonewall 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Comfrey in Stonewall County, TX?

Stonewall County is in Zone 7b with an average last frost of March 24. Plan your Comfrey planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Stonewall County, TX?

Stonewall County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 24 and first fall frost is November 14.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Stonewall County gardeners in Zone 7b 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 Stonewall County, TX. Local conditions may vary. Last updated: April 2026.