When to Plant Fava Bean in Oregon
Direct Sow Outdoors
Sunday, February 15, 2026
State
Oregon
USDA Zones
5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
Avg Last Frost
Sunday, March 15, 2026
Cities Covered
372
Oregon Planting Schedule by Zone
Oregon spans 9 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Direct Sow |
|---|---|---|
| 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| 7b | Sunday, April 5, 2026 | Sunday, March 8, 2026 |
| 8a | Friday, March 20, 2026 | Friday, February 20, 2026 |
| 8b | Sunday, March 15, 2026 | Sunday, February 15, 2026 |
| 9a | Friday, February 20, 2026 | Friday, January 23, 2026 |
| 9b | Tuesday, February 10, 2026 | Tuesday, January 13, 2026 |
Dates based on average last frost. Check your local forecast before planting.
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Growing Fava Bean in Oregon: Complete Guide
Fava Bean (Vicia faba) is a crop that grows best when sown directly in the garden. In Oregon, the right time to direct sow is around Sunday, February 15, 2026, once soil temperatures are consistently warm enough for germination.
Because Oregon stretches across 9 USDA hardiness zones (5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b), planting windows can shift by as much as six to eight weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 85 days to maturity, Fava Bean fits comfortably within Oregon's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.
Fava Bean requires full sun (6-8 hours) and moderate (1 inch/week) moisture. Most of Oregon receives adequate sunlight during the growing season, though gardeners in humid eastern regions should watch for fungal issues and ensure good air circulation.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Oregon.
Frequently Asked Questions
When should I plant Fava Bean in Oregon?
In Oregon, direct sow Fava Bean outdoors around Sunday, February 15, 2026. Oregon spans zones 5b–9b, so gardeners in warmer zones can plant earlier.
What is the last frost date in Oregon?
Oregon spans 9 USDA zones (5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b), so last frost dates vary by region. Seneca (5b) sees frost until around Saturday, April 25, 2026, while Pacific City, Newport, South Beach (9b) is frost-free much earlier.
How long does Fava Bean take to grow in Oregon?
Fava Bean takes about 85 days from transplant (or direct sow) to harvest. In Oregon's longer-season zones, a second planting in late summer may be possible.
What USDA zones does Oregon cover for Fava Bean?
Oregon includes zones 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b. Fava Bean grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
Find Precise Dates for Your City
Select a city for exact planting dates based on local frost records.