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When to Plant Marjoram in Burnet County, TX

Sweet marjoram is a tender perennial herb with a delicate, sweet oregano-like flavor. It is a cornerstone of Mediterranean cooking and pairs well with meats and vegetables.

Burnet County, Texas is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 20, giving you a growing season of approximately 259 days.

At an elevation of 1,090 feet, Burnet County receives approximately 60.6 inches of rainfall annually with predominantly clay soil. Summer highs average 93Β°F, providing good warmth for Marjoram during the growing season. Clay soil retains moisture well for Marjoram, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Marjoram root diseases.

Burnet County, TX (Zone 8a) Long season
259 days
Last Spring Frost March 6
259 growing days
First Fall Frost November 20

Burnet County Soil Profile

Soil Type

Clay

Soil pH

6.8-7.6

Drainage

Well Drained

Monthly Watering Guide for Marjoram

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

Month Marjoram Needs Rainfall You Supplement Action
Jan β€” 1.4" 0" ❄️ Dormant
Feb β€” 1.8" 0" ❄️ Dormant
Mar 4.3" 3.2" 1.1" πŸ’§ Light watering
Apr 4.3" 6.8" 0" βœ… Rainfall sufficient
May 4.3" 9.3" 0" βœ… Rainfall sufficient
Jun 4.3" 10.2" 0" βœ… Rainfall sufficient
Jul 4.3" 6.9" 0" βœ… Rainfall sufficient
Aug 4.3" 7.5" 0" βœ… Rainfall sufficient
Sep 4.3" 6.3" 0" βœ… Rainfall sufficient
Oct 4.3" 3.6" 0.7" πŸ’§ Light watering
Nov 4.3" 2.1" 2.2" 🚿 Regular watering
Dec β€” 1.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Burnet County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Marjoram Planting Timeline β€” Burnet County, TX

Marjoram Planting Calendar

Activity When Date Range
Transplant Outdoors March 13 Mar 13 – Mar 27
Harvest May 15 May 15 – Jul 24

Plant 0.5" deep Β· 8" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6.5–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

259 days in Burnet County

Growing Tips for Burnet County

Start seeds indoors 6-8 weeks before last frost. Harvest stems just as flower buds appear for peak flavor. In cold climates, grow as an annual or bring containers indoors.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Marjoram in Burnet County, TX?

Burnet County is in Zone 8a with an average last frost of March 6. Plan your Marjoram planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Burnet County, TX?

Burnet County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 20.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Burnet County gardeners in Zone 8a 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 Burnet County, TX. Local conditions may vary. Last updated: April 2026.