When to Plant Marjoram in Roberts 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.
Roberts County, Texas is in USDA Zone 7a. The average last spring frost is April 17 and the first fall frost is October 24, giving you a growing season of approximately 190 days.
At an elevation of 1,068 feet, Roberts County receives approximately 51 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 98°F, so Marjoram may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Marjoram will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Marjoram root diseases.
Roberts County Soil Profile
Soil Type
Sandy Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Marjoram Planting Timeline — Roberts County, TX
Marjoram Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 24 | Apr 24 – May 8 |
| Harvest | June 26 | Jun 26 – Sep 4 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | Transplant Outdoors |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 6.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 7a
📆 Growing Season
190 days in Roberts County
Growing Tips for Roberts 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 →
Marjoram in Other Locations
Frequently Asked Questions
When should I plant Marjoram in Roberts County, TX?
Roberts County is in Zone 7a with an average last frost of April 17. Plan your Marjoram planting based on this frost date — see the calendar above for exact timing.
What planting zone is Roberts County, TX?
Roberts County, Texas is in USDA Hardiness Zone 7a. The average last spring frost is April 17 and first fall frost is October 24.
Your Roberts County Garden Planner — Free
A 22-page printable planner built for Roberts County (Zone 7a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.