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Vegetable · Fabaceae family

Fava bean

Vicia faba

Full sun 1 ft 5¾ in–4 ft 11 in × 7⅞ in–1 ft 3¾ in Harvest June–August Moderate care

In short a 10-second read

SunFull sun
Size1 ft 5¾ in–4 ft 11 in
spacing 7¾ in
Water~2.36 qt/sq ft
a week in a dry summer
SowingMarch–May
HarvestJune–August
Care levelModerate care

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun, in dry to average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

tolerates any pH
acidicneutralalkaline
dry to averageclayloamysandy

Watering

Fava bean — Watering
~2.36 qt/sq fta week in a dry summer
more when fruitingdrought tolerant once establishedless when it rains

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in1 ft 5¾ in–4 ft 11 inspread 7⅞ in–1 ft 3¾ in
1 ft 5¾ in–4 ft 11 in× spread 7⅞ in–1 ft 3¾ in

Plant 7¾ in apart.

How to plant: in rows, 7¾ in in the row, 17¾ in between rows

The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Sowing: JanuarySowing: FebruarySowing: MarchSowing: AprilSowing: MaySowing: JuneSowing: JulySowing: AugustSowing: SeptemberSowing: OctoberSowing: NovemberSowing: DecemberCare: JanuaryCare: FebruaryCare: MarchCare: AprilCare: MayCare: JuneCare: JulyCare: AugustCare: SeptemberCare: OctoberCare: NovemberCare: DecemberHarvest: JanuaryHarvest: FebruaryHarvest: MarchHarvest: AprilHarvest: MayHarvest: JuneHarvest: JulyHarvest: AugustHarvest: SeptemberHarvest: OctoberHarvest: NovemberHarvest: DecemberCheck: JanuaryCheck: FebruaryCheck: MarchCheck: AprilCheck: MayCheck: JuneCheck: JulyCheck: AugustCheck: SeptemberCheck: OctoberCheck: NovemberCheck: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
SowingCareHarvestCheck
Now, in October: nothing to do — the next job is in March.
JanFebMarAprMayJunJulAugSepOctNovDec

Sowing

JanFebMarAprMayJunJulAugSepOctNovDec

direct sowing: March–May

Care

JanFebMarAprMayJunJulAugSepOctNovDec

pinch out the tips (May–June)

Harvest

JanFebMarAprMayJunJulAugSepOctNovDec

June–August

Check

JanFebMarAprMayJunJulAugSepOctNovDec

April–August: Check the shoot tips of legumes for black aphids and pinch out the tops.

Feeding

Nutrition.

Fava bean — Feeding
Light
high-potash fertilizer

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

High riskMedium riskLow riskRisk for this plant according to the source · no label = no documented level
Pea and bean weevil

Pea and bean weevil

Sitona lineatus
Low riskpest

What you will see

Adult beetles eat the leaf edges (semicircular notches).

The source says: established plants can tolerate this feeding.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–July

How to protect

  1. Prevention
    • Control is usually not needed, plants tolerate the damage; healthy seedlings grow out of it.
  2. By hand April to JulyCover young plants with fleece or cloches and water them so they grow quickly and outgrow the damage.
Pea and bean weevilpest · April–JulyLow risk

What you will see

Adult beetles eat the leaf edges (semicircular notches).

The source says: established plants can tolerate this feeding.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–July

How to protect

  1. Prevention
    • Control is usually not needed, plants tolerate the damage; healthy seedlings grow out of it.
  2. By hand April to JulyCover young plants with fleece or cloches and water them so they grow quickly and outgrow the damage.
Bean chocolate spot

Bean chocolate spot

Botrytis fabae
disease

What you will see

Dark chocolate-coloured spots on leaves and stems.

When to look

After cool, damp spells from late winter and spring

How to protect

  1. Prevention
    • Increase airflow with wider spacing; avoid damp, shaded spots.
    • Dispose of remains at the end of the season.
  2. By hand end of seasonRemove affected plant debris; fungicides for gardeners are not available.
Bean chocolate spotdisease · after cool, damp spells from late winter and spring

What you will see

Dark chocolate-coloured spots on leaves and stems.

When to look

After cool, damp spells from late winter and spring

How to protect

  1. Prevention
    • Increase airflow with wider spacing; avoid damp, shaded spots.
    • Dispose of remains at the end of the season.
  2. By hand end of seasonRemove affected plant debris; fungicides for gardeners are not available.
Fava bean rust

Fava bean rust

Uromyces viciae-fabae
disease

What you will see

Small powdery dark brown spots on leaves and stems.

When to look

Midsummer

How to protect

  1. Prevention
    • Increase spacing and avoid damp sites.
    • Destroy plant debris: spores can survive in plant debris and on seed.
  2. By hand end of seasonRemove and destroy affected debris.
Fava bean rustdisease · midsummer

What you will see

Small powdery dark brown spots on leaves and stems.

When to look

Midsummer

How to protect

  1. Prevention
    • Increase spacing and avoid damp sites.
    • Destroy plant debris: spores can survive in plant debris and on seed.
  2. By hand end of seasonRemove and destroy affected debris.

What you will see

Black aphids on shoot tips; growth is poorer and fewer pods form, but the pulses themselves are usually undamaged.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–August

How to protect

  1. Prevention
    • Tolerate them to some extent: damage is usually small.
    • Pinch out the growing tips of plants (on fava beans) and encourage ladybirds, hoverflies, lacewings and parasitic wasps.
  2. By hand April to AugustPinch off affected tips or squash colonies with your fingers.
  3. Chemical — only when nothing else helps according to the product labelLast resort only: a product authorized in your country against aphids. Try non-chemical methods first.
Black bean aphid (blackfly)pest · April–August

What you will see

Black aphids on shoot tips; growth is poorer and fewer pods form, but the pulses themselves are usually undamaged.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
April–August

How to protect

  1. Prevention
    • Tolerate them to some extent: damage is usually small.
    • Pinch out the growing tips of plants (on fava beans) and encourage ladybirds, hoverflies, lacewings and parasitic wasps.
  2. By hand April to AugustPinch off affected tips or squash colonies with your fingers.
  3. Chemical — only when nothing else helps according to the product labelLast resort only: a product authorized in your country against aphids. Try non-chemical methods first.
More about this problem
Fava bean seed beetle

Fava bean seed beetle

Bruchus rufimanus
pest

What you will see

Round exit holes in dried fava beans.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
March–July

How to protect

  1. Prevention
    • The pest can usually be tolerated: larvae eat only part of the seed leaves (cotyledons), and the seed usually still germinates.
Fava bean seed beetlepest · March–July

What you will see

Round exit holes in dried fava beans.

When to look

JanFebMarAprMayJunJulAugSepOctNovDec
March–July

How to protect

  1. Prevention
    • The pest can usually be tolerated: larvae eat only part of the seed leaves (cotyledons), and the seed usually still germinates.
Sources (6)

Frequently asked

Quick answers.

When do I sow fava bean?

In March–May (direct sowing).

When is fava bean harvested?

In June–August.

Does fava bean tolerate shade?

No, it needs full sun.

How much space does fava bean need?

At maturity 7⅞ in–1 ft 3¾ in wide and 1 ft 5¾ in–4 ft 11 in tall; recommended spacing 7¾ in.

Bean chocolate spot — what can you do?

Increase airflow with wider spacing; avoid damp, shaded spots. Remove affected plant debris; fungicides for gardeners are not available.

Fava bean rust — what can you do?

Increase spacing and avoid damp sites. Remove and destroy affected debris.

Sources (7) Checked 27 October 2026

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