When to Plant Fava Beans in Oregon County, MO
Fava beans are a cool-season legume with large, meaty beans inside thick pods. They fix nitrogen in the soil and are one of the oldest cultivated crops.
Oregon County, Missouri is in USDA Zone 6b. The average last spring frost is April 1 and the first fall frost is October 27, giving you a growing season of approximately 209 days.
At an elevation of 1,372 feet, Oregon County receives approximately 30.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Fava Beans during the growing season.
Oregon County Soil Profile
Soil Type
Silt Loam
Soil pH
5.4-6.7
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
Fava Beans Planting Timeline — Oregon County, MO
Fava Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 25 | Feb 25 – Mar 11 |
| Transplant Outdoors | April 1 | Apr 1 – Apr 15 |
| Direct Sow | March 18 | Mar 18 – Apr 8 |
| Fall Sowing | August 18 | Aug 18 – Sep 1 |
| Harvest | June 17 | Jun 17 – Jul 29 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
75–100 days
Soil pH
6 – 7
USDA Zone
Zone 6b
Growing Season
209 days
Growing Tips for Oregon County
Direct sow as early as soil can be worked in spring. Pinch growing tips when pods begin to form to redirect energy and reduce aphid problems. Stake tall varieties.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Fava Beans in Other Locations
Frequently Asked Questions
When should I plant Fava Beans in Oregon County, MO?
Oregon County is in Zone 6b with an average last frost of April 1. Plan your Fava Beans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Oregon County, MO?
Oregon County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 1 and first fall frost is October 27.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Oregon County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.
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