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When to Plant Oregano in Cooke County, TX

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

Cooke County, Texas is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 11, giving you a growing season of approximately 230 days.

At an elevation of 1,818 feet, Cooke County receives approximately 69.5 inches of rainfall annually with predominantly loam soil. Summer highs average 88ยฐF, providing good warmth for Oregano during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Oregano root diseases.

Cooke County, TX (Zone 7b) Long season
230 days
Last Spring Frost March 26
230 growing days
First Fall Frost November 11

Cooke County Soil Profile

Soil Type

Loam

Soil pH

6.2-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (93 days to spare)
Transplant: Mar 21 🍅 Harvest: May 23 – Aug 1
Recommended (50%) ✓ Fits season (90 days to spare)
Transplant: Apr 2 🍅 Harvest: Jun 4 – Aug 13
Safe Start (90%) ✓ Fits season (87 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.

Soil Compatibility in Cooke County

How your county's soil matches Oregano's growing requirements.

Soil pH

Your soil pH (6.2โ€“7.6) is within Oregano's preferred range (6.0โ€“8.0).

Soil Texture

The loam soil in Cooke County is excellent for Oregano โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Oregano.

How to Plant Oregano

0.5"
Planting Depth
8"
Between Plants
12"
Between Rows

Succession Planting Oregano

4
successive plantings in your 230-day season

Sow every 6.9 weeks. Last sowing by Aug 13 to harvest before frost.

Plant Water Budget

Plant needs
0.3″/week
Rainfall provides
1.3″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft

Monthly Watering Guide for Oregano

Oregano needs approximately 0.3 inches of water per week (1.3" per month). Here's how your county's rainfall compares month by month.

Month Oregano Needs Rainfall You Supplement Action
Jan โ€” 1.5" 0" โ„๏ธ Dormant
Feb โ€” 2.6" 0" โ„๏ธ Dormant
Mar 1.3" 4.6" 0" โœ… Rainfall sufficient
Apr 1.3" 8.1" 0" โœ… Rainfall sufficient
May 1.3" 9.9" 0" โœ… Rainfall sufficient
Jun 1.3" 10.8" 0" โœ… Rainfall sufficient
Jul 1.3" 9.9" 0" โœ… Rainfall sufficient
Aug 1.3" 7.5" 0" โœ… Rainfall sufficient
Sep 1.3" 6.7" 0" โœ… Rainfall sufficient
Oct 1.3" 3.9" 0" โœ… Rainfall sufficient
Nov 1.3" 2.2" 0" โœ… Rainfall sufficient
Dec โ€” 1.8" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Marโ€“Nov in Cooke County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Oregano Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" โ€” every day above 50ยฐF deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Oregano needs ~1,200 GDD — county provides 3,680 GDD Excellent fit

Oregano Planting Timeline โ€” Cooke County, TX

Oregano Planting Calendar

Activity When Date Range
Transplant Outdoors April 2 Apr 2 โ€“ Apr 16
Harvest June 4 Jun 4 โ€“ Aug 13

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.3"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

60โ€“90 days

๐Ÿงช Soil pH

Needs 6โ€“8 ยท Your soil: ideal

๐Ÿ—บ๏ธ USDA Zone

Zone 7b

๐Ÿ“† Growing Season

230 days in Cooke County

Growing Tips for Oregano in Cooke County

Direct sow Oregano outdoors after March 26 in Cooke County when soil has warmed and frost danger has passed.

With 70" of annual rainfall in Cooke County, ensure good drainage for Oregano โ€” excess moisture can promote root rot and fungal diseases.

General growing tips

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 Cooke County, TX?

Cooke County is in Zone 7b with an average last frost of March 26. Plan your Oregano planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Cooke County, TX?

Cooke County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 11.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Cooke County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Cooke County, TX. Local conditions may vary. Last updated: April 2026.