When to Plant Arugula in Ray 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.
Ray County, Missouri is in USDA Zone 6a. The average last spring frost is April 15 and the first fall frost is October 25, giving you a growing season of approximately 193 days.
At an elevation of 747 feet, Ray County receives approximately 32.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 92°F, providing good warmth for Arugula during the growing season.
Ray County Soil Profile
Soil Type
Silt Loam
Soil pH
5.6-6.6
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 — Ray County, MO
Arugula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 11 | Mar 11 – Mar 25 |
| Transplant Outdoors | April 15 | Apr 15 – Apr 29 |
| Direct Sow | April 1 | Apr 1 – Apr 22 |
| Fall Sowing | August 16 | Aug 16 – Aug 30 |
| Harvest | May 20 | May 20 – Jul 22 |
Plant 0.5" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | — |
| 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
193 days
Growing Tips for Ray 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 Ray County, MO?
Ray County is in Zone 6a with an average last frost of April 15. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Ray County, MO?
Ray County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 15 and first fall frost is October 25.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Ray County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.
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