When to Plant Arugula in Morgan County, MO
Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.
Morgan County, Missouri is in USDA Zone 6a. The average last spring frost is April 9 and the first fall frost is October 27, giving you a growing season of approximately 201 days.
At an elevation of 624 feet, Morgan County receives approximately 36.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Arugula during the growing season.
Morgan County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-7
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Arugula Planting Timeline — Morgan County, MO
Arugula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 5 | Mar 5 – Mar 19 |
| Transplant Outdoors | April 9 | Apr 9 – Apr 23 |
| Direct Sow | March 26 | Mar 26 – Apr 16 |
| Fall Sowing | August 18 | Aug 18 – Sep 1 |
| Harvest | May 14 | May 14 – Jul 16 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
30–50 days
Soil pH
6 – 7
USDA Zone
Zone 6a
Growing Season
201 days
Growing Tips for Morgan County
Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Arugula in Other Locations
Frequently Asked Questions
When should I plant Arugula in Morgan County, MO?
Morgan County is in Zone 6a with an average last frost of April 9. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Morgan County, MO?
Morgan County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 9 and first fall frost is October 27.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Morgan County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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