When to Plant Marjoram in Greene County, IN
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.
Greene County, Indiana is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 21, giving you a growing season of approximately 189 days.
At an elevation of 1,023 feet, Greene County receives approximately 39 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Marjoram during the growing season.
Greene County Soil Profile
Soil Type
Silt Loam
Soil pH
5.8-7.1
Drainage
Well Drained
Plant Planting Risk Windows
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
Marjoram Planting Timeline — Greene County, IN
Marjoram Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 22 | Apr 22 – May 6 |
| Harvest | June 24 | Jun 24 – Sep 2 |
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
6.5 – 7.5
USDA Zone
Zone 6a
Growing Season
189 days
Growing Tips for Greene 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
Level Up Your Garden
Marjoram in Other Locations
Frequently Asked Questions
When should I plant Marjoram in Greene County, IN?
Greene County is in Zone 6a with an average last frost of April 15. Plan your Marjoram planting based on this frost date — see the calendar above for exact timing.
What planting zone is Greene County, IN?
Greene County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 21.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Greene County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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