🫘 Fava Bean (Broad Bean)

Vicia faba
vegetables legume (cool-season annual)
Fava Bean (Broad Bean) plant photo
☀️ Sun
Full sun (6, 8 hours); tolerates partial shade better than most vegetables , one of the most shade-tolerant legumes
💧 Water
Medium; 1 inch per week; consistent moisture during flowering and pod set critical; reduce watering when pods begin filling; drought during pod fill = few/small beans
🗺️ Zones
3, 4, 5, 6, 7, 8, 9, 10
🧪 Soil pH
6.0, 7.0 (slightly acidic to neutral); tolerates slightly alkaline soil better than most beans
🪴 Soil Type
Rich, well-drained, loamy soil with moderate organic matter; fava beans are NOT as nitrogen-fixing-dependent as other beans , they benefit from moderate fertility; incorporate compost; avoid excessive nitrogen (delays flowering)
🚿 Drainage
Well-drained essential; fava beans are especially sensitive to waterlogged winter soil , raised beds recommended in wet winter climates
📏 Spacing
Seeds 4, 6 inches apart; rows 18, 24 inches; dwarf varieties: 15, 18 inch rows; fava beans grow tall (3, 5 feet) , may need staking in windy areas
⏱️ Maturity
75-90 days (from seed); 80-100 days for dry beans

🍴 Edible Parts

🍽️ Seeds/beans (the main crop , shelled fresh or dried; must be shelled twice: once from pod, then each bean's individual skin for best texture) 🍽️ Young pods (whole pods edible when very young, 2, 3 inches , like snow peas) 🍽️ Leaves/tops (tender growing tips , sautéed like spinach; traditional in Italian/Mediterranean cuisine) 🍽️ Flowers (edible , ornamental addition to salads)
Key:🤝 Grows well together❌ Keep apart☀️ Sun needs💧 Water🗺️ Hardiness zone

🤝 Companions (8)

Attracts beneficial insects and pollinators
Attracts beneficial insects and pollinators
Attracts beneficial insects and pollinators
Repels nematodes and various bean pests; attracts beneficial insects
Trap crop for black bean aphids (favas' #1 pest); ground cover retains moisture IMPORTANT management caveat: without active management, nasturtiums can become a SOURCE of aphids that migrate to nearby crops. Either remove aphid-infested nasturtium plants promptly, or treat the trap crop itself to eliminate the aphid colony before it spreads. Strategic placement within 4-5 feet of protected crops is key.
Fava beans repel Colorado potato beetles; potatoes repel black bean aphids from favas; different root depths , classic European intercropping combination
Attracts beneficial insects and pollinators
The 'bean herb' , repels bean beetles; may improve growth and flavor

⚠️ Keep Apart (4)

Some sources report beets and fava beans are antagonistic; separate if possible
Allelopathic , strongly inhibits fava bean growth and nitrogen fixation
Strong allium inhibition , the worst companion for fava beans; sulfur compounds disrupt nitrogen-fixing rhizobia; severely stunted plants
Peppers are warm-season; favas finish as peppers start, but avoid planting in same soil without rotation , potential for disease carryover

💊 Medicinal Uses

Medicinal Properties

  • Excellent plant-based protein source , one of the highest-protein legumes (25%+ by dry weight when shelled)
  • Exceptionally rich in L-dopa (levodopa) , the precursor to dopamine; fava beans are the natural food source with the highest L-dopa content; being studied for Parkinson's disease management
  • Rich in folate , one cup provides 100%+ daily value; critical for fetal development and cardiovascular health
  • High in fiber, iron, magnesium, potassium, and B vitamins
  • WARNING: Favism , a genetic G6PD enzyme deficiency affecting ~400 million people worldwide (especially Mediterranean, African, Middle Eastern descent); eating fava beans can cause severe hemolytic anemia in susceptible individuals

📝 Growing Notes

Fava beans (broad beans) are one of the oldest cultivated crops (6,000+ years). Unlike most beans, they are COOL-SEASON , plant as early as soil can be worked (they tolerate frost to 21°F/-6°C). In Zones 7, 10, plant in fall for early spring harvest. Pinch out growing tips when first pods appear , this redirects energy to pods AND removes the soft tissue that black bean aphids prefer (the #1 pest of favas). Harvest when pods are plump but still green , beans continue to mature after picking. For dried beans, let pods turn black on the plant. Favas make an outstanding winter cover crop/green manure , the biomass adds significant nitrogen and organic matter when turned under. Tall varieties need staking; dwarf varieties are self-supporting. The flowers are fragrant and attract bumblebees.

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