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Judas tree

Cercis siliquastrum
the one that blooms in spring like a fireworks display in the sky.
Edible value5Other uses5
Tree9.5×5 mzone 6–9partial shade

Will it grow where I live?

Judas tree is hardy to zone 6, which covers nearly all of Central Europe and the British Isles; only harsh upland sites (Alps, high ridges) call for winter protection.

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
Tree
Height
9.5 m
Spread
5 m
Growth
medium
Lifespan
50 years
First yield
after 6 years
Yield per plant
up to 15 kg a year
Hardiness
zone 6–9
Shade tolerance
partial shade
Soil
Sand, Silt
Soil moisture
very dry – very moist
pH
6.5 – 8

Flowering & harvest

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

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

Uses

Edible5 of 10
Other uses5 of 10

Edible: A sweet and sour taste makes them a lovely addition to salads. The flower buds are pickled and used as a seasoning. The seed pods can be eaten raw.

Origin & habitat

Southern Europe to East Asia.

Rocky places next to the coast: The wind gently blows over the rocky places next to the coast, while the waves softly splash against the rocks. The salty air fills the senses and allows thoughts to flow freely. A place of tranquility and serenity, where one can escape everyday life and fully enjoy the beauty of nature.

Frequently asked questions

Judas tree: how big does it get?

Judas tree (Cercis siliquastrum) grows as a Tree and reaches roughly 9.5 m in height when mature, with a spread of about 5 m. Growth is medium.

Judas tree: what site does it need?

Judas tree tolerates partial shade. Suitable soils are Sand, Silt. Soil moisture should be in the range very dry – very moist. The pH may lie between 6.5 and 8.

Judas tree: is it hardy?

Judas tree is listed as hardy in zone 6–9 and survives normal winters outdoors there.

Judas tree: will it grow in Central Europe?

Judas tree is hardy to zone 6, which covers nearly all of Central Europe and the British Isles; only harsh upland sites (Alps, high ridges) call for winter protection.

Judas tree: when does it flower?

In a temperate northern-hemisphere climate it flowers in June.

Judas tree: when is it harvested?

In a temperate northern-hemisphere climate the fruit ripens in September.

Judas tree: when does it start cropping, and how much?

Judas tree first crops after 6 years. A mature plant gives up to 15 kg a year. Figures assume a good site; variety, soil and climate shift them considerably.

Judas tree: is it poisonous?

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

Judas tree: what is it used for?

Rated on a scale up to 10: Edible 5/10, Other uses 5/10.

Community experience

No first-hand reports for this plant yet.

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