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When to Plant Parsley in Somervell County, TX

Parsley is a biennial herb available in flat-leaf (Italian) and curly varieties. It is a nutritional powerhouse rich in vitamins C and K and adds fresh flavor to countless dishes.

Somervell County, Texas is in USDA Zone 7b. The average last spring frost is March 19 and the first fall frost is November 12, giving you a growing season of approximately 238 days.

At an elevation of 4,773 feet, Somervell County receives approximately 64.7 inches of rainfall annually with predominantly clay soil. Summer highs average 90ยฐF, providing good warmth for Parsley during the growing season. Clay soil retains moisture well for Parsley, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Parsley root diseases.

Somervell County, TX (Zone 7b) Long season
238 days
Last Spring Frost March 19
238 growing days
First Fall Frost November 12

Somervell County Soil Profile

Soil Type

Clay

Soil pH

7.2-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (127 days to spare)
Start indoors: Feb 1 Transplant: Mar 1 🍅 Harvest: May 3 – Jul 5
Recommended (50%) ✓ Fits season (119 days to spare)
Start indoors: Feb 12 Transplant: Mar 12 🍅 Harvest: May 14 – Jul 16
Safe Start (90%) ✓ Fits season (112 days to spare)
Start indoors: Mar 8 Transplant: Apr 5 🍅 Harvest: Jun 7 – Aug 9

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
1.1″/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

Parsley needs ~1,225 GDD — county provides 4,165 GDD Excellent fit

Parsley Planting Timeline โ€” Somervell County, TX

Parsley Planting Calendar

Activity When Date Range
Start Indoors February 12 Feb 12 โ€“ Feb 26
Transplant Outdoors March 12 Mar 12 โ€“ Mar 26
Direct Sow March 5 Mar 5 โ€“ Mar 26
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest May 14 May 14 โ€“ Jul 16

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Transplant Outdoors Direct Sow
April โ€”
May Harvest
June Harvest
July Harvest
August โ€”
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“80 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

238 days

Growing Tips for Somervell County

Start seeds indoors 6-8 weeks before last frost. Soak seeds overnight as germination is slow. Harvest outer stems first to keep plants productive. Parsley attracts swallowtail butterflies.

Companion Planting

Good Companions

Avoid Planting Near

  • Mint
  • Lettuce

Level Up Your Garden

Frequently Asked Questions

When should I plant Parsley in Somervell County, TX?

Somervell County is in Zone 7b with an average last frost of March 19. Plan your Parsley planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Somervell County, TX?

Somervell County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 19 and first fall frost is November 12.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Somervell 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 Somervell County, TX. Local conditions may vary. Last updated: April 2026.