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When to Plant Oregano in Smith County, TX

Oregano

Oregano is a robust perennial herb essential to Italian and Greek cuisine. Its pungent, savory leaves intensify in flavor when dried.

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 Oregano may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Oregano will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Oregano root diseases.

Smith County, TX (Zone 8b) Long season
252 days
Last Spring Frost March 9
252 growing days
First Fall Frost November 16

Smith County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.6-6.5

Drainage

Well Drained

Monthly Watering Guide for Oregano

Oregano needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Oregano 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.

Oregano Planting Timeline — Smith County, TX

Oregano 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

MonthActivities
January
February
March Transplant Outdoors
April
May Harvest
June Harvest
July Harvest
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–8 · Your soil: N/A

🗺️ USDA Zone

Zone 8b

📆 Growing Season

252 days in Smith County

Growing Tips for Smith County

Start from seed, cuttings, or divisions. Harvest just before flowering for strongest flavor. Cut plants back to a few inches in spring to encourage vigorous new growth.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Oregano in Smith County, TX?

Smith County is in Zone 8b with an average last frost of March 9. Plan your Oregano 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.

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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 Smith County, TX. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.