Vegetable

Green Bean

Phaseolus vulgaris · Fabaceae

Green beans are quick and easy from seed. Bush beans need no support; pole beans climb and crop for longer.

TypeVegetable
Life cycleAnnual
SunFull sun
WaterMedium
USDA zonesAnnual (any zone)
SizeBush types about 2 feet tall; pole types climb 6 feet or more
PetsNot on ASPCA lists
EdibleYes

Facts checked 26 Oct 2026 against the sources at the end of this page.

Young bush bean plants growing in a raised bed
Photo: 13467596, Pixabay Content License, via Pixabay. All credits.

Green Bean at a glance

Botanical namePhaseolus vulgaris
FamilyFabaceae
Other namessnap bean, green bean, bush bean, pole bean
Plant typeVegetable; annual
SizeBush types about 2 feet tall; pole types climb 6 feet or more
LightFull sun (6 or more hours of direct sun)
WaterWater evenly, especially when plants flower and form pods.
SoilWell-drained soil; beans do not need rich feeding.
USDA hardiness zonesGrown as a summer annual in every zone.
USDA PLANTS symbolPHVU

When to plant green bean

Sow seeds outdoors around your last spring frost date, once the soil is warm.

Start indoorsNot needed; sow or plant outside
Sow or plant outsideFrom last frost to 2 weeks after

Turn these into real dates for your area with the planting calendar.

How to grow green bean

  1. Sow seeds about 1 inch deep in warm soil.
  2. Set up a trellis or poles first for pole beans.
  3. Water evenly; avoid wetting the leaves.
  4. Pick pods young and often to keep plants producing.
  5. Sow bush beans again every few weeks for a longer harvest.

Water and soil

Water: Water evenly, especially when plants flower and form pods.

Soil: Well-drained soil; beans do not need rich feeding.

Light: Full sun (6 or more hours of direct sun).

Common problems

Seeds rot in the ground
Cold, wet soil. Wait until the soil warms.
Mexican bean beetle
Lacy holes in leaves. Hand-pick the beetles and larvae.

Is green bean safe for cats and dogs?

Cats (ASPCA)
Not listed
Dogs (ASPCA)
Not listed

Green Bean is not on the ASPCA's toxic or non-toxic plant lists for cats and dogs.

NC State Extension rates its poison severity for people and animals as medium.

If a pet chews a plant and you are worried, call your vet or the ASPCA Animal Poison Control Center (888-426-4435; a fee may apply). For people, call Poison Help at 1-800-222-1222. In an emergency, call 911.

Can you eat green bean?

Pods and beans are eaten cooked. NC State warns that raw or undercooked dry beans, especially kidney beans, cause stomach upset; cook them well.

Green Bean questions

When should I plant green beans?

Sow them around your average last spring frost date once the soil is warm. Beans rot in cold soil.

Do green beans need a trellis?

Bush beans do not. Pole beans need poles, a trellis or netting to climb.

Are bean plants toxic to pets?

Garden beans are not on the ASPCA's plant lists. NC State notes raw dry beans are poisonous if eaten uncooked. Ask your vet before feeding beans to pets.

Sources

Written in our own words from the sources above. See our editorial policy. Spotted a mistake? Tell us.

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