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Cowpea – Vigna unguiculata

Cowpea

Vigna unguiculata
Edible value8Medicinal value3Other uses4
annual0.5×3.5 mzone 7–13full sun🍎 Edible

Will it grow where I live?

Cowpea is an annual and grows outdoors across Central Europe – one season from spring sowing to autumn harvest. The summer heat it needs to ripen is out of reach outdoors in Central Europe – greenhouse or conservatory.

Or check it for your location right here:

Winter hardiness by USDA zone, summer warmth by heat sum – the same values the app and the plant finder use.

Profile

Family
Fabaceae
Habit
annual
Height
0.5 m
Spread
3.5 m
Growth
medium
Lifespan
1 year
First yield
after 1 year
Yield per plant
up to 0.1 kg
Hardiness
zone 7–13
Shade tolerance
full sun
Soil
Sand, Silt, Loam, Clay
Soil moisture
semi-dry – very moist
pH
5.5 – 7.5

Flowering & harvest

J F M A M J J A S O N D
Fruit harvest

Times apply to the northern hemisphere in a temperate climate and shift with altitude and cultivar.

Uses

Edible8 of 10
Medicinal3 of 10
Other uses4 of 10

Frequently asked questions

Cowpea: how big does it get?

Cowpea (Vigna unguiculata) grows as a annual and reaches roughly 0.5 m in height when mature, with a spread of about 3.5 m. Growth is medium.

Cowpea: what site does it need?

Cowpea tolerates full sun. Suitable soils are Sand, Silt, Loam, Clay. Soil moisture should be in the range semi-dry – very moist. The pH may lie between 5.5 and 7.5.

Cowpea: is it hardy?

Cowpea is listed as hardy in zone 7–13 and survives normal winters outdoors there.

Cowpea: will it grow in Central Europe?

Cowpea is an annual and grows outdoors across Central Europe – one season from spring sowing to autumn harvest. The summer heat it needs to ripen is out of reach outdoors in Central Europe – greenhouse or conservatory.

Cowpea: when is it harvested?

In a temperate northern-hemisphere climate the fruit ripens from September to October.

Cowpea: when does it start cropping, and how much?

Cowpea crops in its first year. Expect up to 0.1 kg per plant. Figures assume a good site; variety, soil and climate shift them considerably.

Cowpea: is it poisonous?

No toxicity is recorded for Cowpea. With wild plants, never rely on a database alone — only on a confident identification.

Cowpea: what is it used for?

Rated on a scale up to 10: Edible 8/10, Medicinal 3/10, Other uses 4/10.

Community experience

No first-hand reports for this plant yet.

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