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Kale

Brassica oleracea sabellica
Edible value8Medicinal value3Other uses2
biennial0.9×0.5 mzone 3–9light shade🍎 Edible

Will it grow where I live?

Kale is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.

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
Brassicaceae
Habit
biennial
Height
0.9 m
Spread
0.5 m
Growth
medium
Lifespan
2 years
First yield
after 1 year
Hardiness
zone 3–9
Shade tolerance
light shade
Soil
Sand, Silt, Loam, Clay
Soil moisture
semi-dry – moist
pH
5.3 – 8.6
nectar sourcepollen source

Flowering & harvest

J F M A M J J A S O N D
Flowering
Leaf 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 uses2 of 10

Growing

Kale prefers a sunny site with well-drained, humus-rich soil. The plant needs regular watering to stay evenly moist; avoid waterlogging. Sow in spring; the plants can be harvested in autumn and winter. Kale is frost-hardy and tolerates temperatures down to about USDA zone 6. To encourage bushy growth, regularly remove yellow or dead leaves.

Frequently asked questions

Kale: how big does it get?

Kale (Brassica oleracea sabellica) grows as a biennial and reaches roughly 0.9 m in height when mature, with a spread of about 0.5 m. Growth is medium.

Kale: what site does it need?

Kale tolerates light shade. Suitable soils are Sand, Silt, Loam, Clay. Soil moisture should be in the range semi-dry – moist. The pH may lie between 5.3 and 8.6.

Kale: is it hardy?

Kale is listed as hardy in zone 3–9 and survives normal winters outdoors there.

Kale: will it grow in Central Europe?

Kale is hardy to zone 3 – that covers all of Central Europe and the British Isles, and every USDA zone from 3 upwards.

Kale: when does it flower?

In a temperate northern-hemisphere climate it flowers from May to July.

Kale: is it poisonous?

Individual parts of Kale are noted as mildly problematic — the plant does not count as poisonous. With wild plants, never rely on a database alone, only on a confident identification.

Kale: what is it used for?

Rated on a scale up to 10: Edible 8/10, Medicinal 3/10, Other uses 2/10.

Community experience

No first-hand reports for this plant yet.

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