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Useful Temperate Plants

Cercis siliquastrum

L.

Fabaceae

+ Synonyms

Siliquastrum orbicularis Moench.

Common Name: Judas Tree

No Image.

General Information

Cercis siliquastrum is a deciduous shrubby tree usually growing up to 7 metres tall with multiple stems, though occasionally forming a distinctive main trunk and growing up to 12 metres tall[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
The plant is harvested from the wild for local use as a food and source of wood. It is often grown as an ornamental, there are many named varieties.
siliquastrum is found across southeastern Europe, and parts of west Asia, though the natural distribution is uncertain due to widespread introduction and cultivation. The population of this species, however, is likely to be large. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Known Hazards

None known

Botanical References

11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
49
Title
Shrubs for the Milder Counties.
Publication
 
Author
Arnold-Forster.
Publisher
 
Year
 
ISBN
 
Description
Trees and shrubs that grow well in Cornwall and other mild areas of Britain. Fairly good, a standard reference book.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.

Range

Southern Europe - France, Italy, the Balkans to Bulgaria and Greece; W. Europe - Turkey, south to Israel and Jordan, east to Iran, Iraq

Habitat

Stony, arid slopes, in arid warm woods, often in maquis, along the banks of rivers and streams, most commonly growing in calcareous soils[
49
Title
Shrubs for the Milder Counties.
Publication
 
Author
Arnold-Forster.
Publisher
 
Year
 
ISBN
 
Description
Trees and shrubs that grow well in Cornwall and other mild areas of Britain. Fairly good, a standard reference book.
,
132
Title
Fruits of the Earth.
Publication
 
Author
Bianchini. F., Corbetta. F. and Pistoia. M.
Publisher
 
Year
 
ISBN
 
Description
Lovely pictures, a very readable book.
,
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Properties

Conservation StatusLeast Concern
Edibility Rating *  *  *
Other Uses Rating *  *
HabitDeciduous Tree
Height12.00 m
Growth RateMedium
PollinatorsBees
Cultivation StatusOrnamental, Wild

Cultivation Details

Dormant plants are hardy to about -15°c[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
]. The young growth in spring, even on mature plants, is frost-tender and so it is best to grow the plants in a position sheltered from the early morning sun[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. Plants do not generally thrive in regions with cool summers, they prefer a hotter, continental climate in order to fully ripen their wood and initiate blossom production[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
]. One report says that plants require cool greenhouse treatment in Britain[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
], though several good specimens have been seen outdoors in this country[
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
].
Succeeds in most soils and pH types, but dislikes growing in wet soils, especially when these are of clay[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Prefers a deep sandy loam and a very sunny position[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
182
Title
Ornamental Shrubs, Climbers and Bamboos.
Publication
 
Author
Thomas. G. S.
Publisher
Murray
Year
1992
ISBN
0-7195-5043-2
Description
Contains a wide range of plants with a brief description, mainly of their ornamental value but also usually of cultivation details and varieties.
]. Thrives on chalk[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
98
Title
Seed Manual for Ornamental Trees and Shrubs.
Publication
Forestry Commission Bulletin
Author
Gordon. A. G. and Rowe. D. C. F.
Publisher
HMSO; London
Year
1982
ISBN
0-11-710152-4
Description
Very comprehensive guide to growing trees and shrubs from seed. Not for the casual reader.
] and in dry sandy soils[
98
Title
Seed Manual for Ornamental Trees and Shrubs.
Publication
Forestry Commission Bulletin
Author
Gordon. A. G. and Rowe. D. C. F.
Publisher
HMSO; London
Year
1982
ISBN
0-11-710152-4
Description
Very comprehensive guide to growing trees and shrubs from seed. Not for the casual reader.
]. Probably does best on a poorish soil[
49
Title
Shrubs for the Milder Counties.
Publication
 
Author
Arnold-Forster.
Publisher
 
Year
 
ISBN
 
Description
Trees and shrubs that grow well in Cornwall and other mild areas of Britain. Fairly good, a standard reference book.
]. Succeeds in light shade[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Dislikes drought[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Plants are susceptible to coral spot fungus, especially when growing in areas with cool summers where the wood is not fully ripened[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
]. Plants in this genus are notably resistant to honey fungus[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Resents root disturbance, plants should be planted into their permanent positions as soon as possible, preferably in mid spring, and should be kept well watered until established[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
Any pruning is best carried out in the winter[
202
Title
Climbers and Wall Shrubs.
Publication
 
Author
Davis. B.
Publisher
Viking.
Year
1990
ISBN
0-670-82929-3
Description
Contains information on 2,000 species and cultivars, giving details of cultivation requirements. The text is terse but informative.
].
A very ornamental plant[
1
Title
RHS Dictionary of Plants plus Supplement. 1956
Publication
 
Author
F. Chittendon.
Publisher
Oxford University Press
Year
1951
ISBN
-
Description
Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
], flowering well in Cornwall[
59
Title
Trees and Shrubs in Cornwall.
Publication
 
Author
Thurston.
Publisher
 
Year
 
ISBN
 
Description
Trees and shrubs that succeed in Cornwall based on the authors own observations. Good but rather dated.
]. It flowers better when growing in a continental climate[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. The flowers are produced on the branches of the previous or earlier years, and also on the trunk of the plant[
82
Title
Manual of the Trees of N. America.
Publication
 
Author
Sargent. C. S.
Website
http://www.biodiversitylibrary.org/
Publisher
Dover Publications Inc. New York.
Year
1965
ISBN
0-486-20278-X
Description
Two volumes, a comprehensive listing of N. American trees though a bit out of date now. Good details on habitats, some details on plant uses. Not really for the casual reader. It can be downloaded from the internet.
].
A dioecious species, both male and female forms need to be grown if fruit and seed are required[
1212
Title
New Trees
Publication
 
Author
Grimshaw J.; Bayton R.; Wilks H.
Publisher
Kew Publishing; London
Year
2009
ISBN
1842461737
Description
Provides comprehensive botanical descriptions and horticultural commentary on over 800 tree species that have been introduced to cultivation in recent decades.
].
A good bee plant[
108
Title
Garden Plants Valuable to Bees.
Publication
 
Author
International Bee Research Association.
Publisher
International Bee Research Association.
Year
1981
ISBN
-
Description
The title says it all.
].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].

Edible Uses

Flowers - raw[
2
Title
Sturtevant's Edible Plants of the World.
Publication
 
Author
Hedrick. U. P.
Publisher
Dover Publications
Year
1972
ISBN
0-486-20459-6
Description
Lots of entries, quite a lot of information in most entries and references.
,
89
Title
Flowers of the Mediterranean.
Publication
 
Author
Polunin. O. and Huxley. A.
Publisher
Hogarth Press
Year
1987
ISBN
0-7012-0784-1
Description
A very readable pocket flora that is well illustrated. Gives some information on plant uses.
,
105
Title
Tanaka's Cyclopedia of Edible Plants of the World.
Publication
 
Author
Tanaka. T. & Nakao S.
Publisher
Keigaku Publishing; Tokyo
Year
1976
ISBN
-
Description
The most comprehensive list of edible plants I've come across. Only the briefest entry for each species, though, and some of the entries are more than a little dubious. Not for the casual reader.
]. A sweetish-acid taste, they are a nice addition to the salad bowl[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
,
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
,
K
Title
Plants for a Future
Author
Ken Fern
Description
Notes from observations, tasting etc at Plants For A Future and on field trips.
]. The flower buds are pickled and used as a condiment[
183
Title
Cornucopia - A Source Book of Edible Plants.
Publication
 
Author
Facciola. S.
Publisher
Kampong Publications
Year
1990
ISBN
0-9628087-0-9
Description
Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
].

Seedpods - raw[
2
Title
Sturtevant's Edible Plants of the World.
Publication
 
Author
Hedrick. U. P.
Publisher
Dover Publications
Year
1972
ISBN
0-486-20459-6
Description
Lots of entries, quite a lot of information in most entries and references.
].

Leaves - eaten as a vegetable[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].

Medicinal

None known

Other Uses

Flower buds are used for dyeing hair[
317
Title
Mansfeld's Database of Agricultural and Horticultural Plants
Publication
 
Author
 
Website
http://mansfeld.ipk-gatersleben.de/pls/htmldb_pgrc/f?p=185:3:4292127278597336
Publisher
 
Year
0
ISBN
 
Description
Terse details of a huge range of useful plants.
].

The wood of Cercis species is generally of good quality. It is coarse-textured, easy to work and finishes smoothly. It has a limited use in turnery and cabinet making, but is not available in quantity[
1309
Title
The Leguminosae; A Source Book of Characteristics, Uses and Nodulation
Publication
 
Author
Allen O.N.; Allen E.K.
Publisher
University of Wisconsin
Year
1981
ISBN
0-333-32221-5
Description
An amazing and comprehensive work, giving a brief guide to the many genera of the family Fabaceae and also the principle uses of the genus.
].
The wood of this species is very hard, beautifully grained and takes a very fine polish. It is used for turnery and cabinet making and, when available in sufficient dimensions, it is used for veneers[
89
Title
Flowers of the Mediterranean.
Publication
 
Author
Polunin. O. and Huxley. A.
Publisher
Hogarth Press
Year
1987
ISBN
0-7012-0784-1
Description
A very readable pocket flora that is well illustrated. Gives some information on plant uses.
,
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
,
338
Title
IUCN Red List of Threatened Species
Publication
 
Author
 
Website
http://www.iucnredlist.org/
Publisher
 
Year
0
ISBN
 
Description
A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
].

Propagation

Seed - best sown as soon as it is ripe in a cold frame[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Pre-soak stored seed for 24 hours in warm water then cold stratify for 3 months[
113
Title
The Reference Manual of Woody Plant Propagation.
Publication
 
Author
Dirr. M. A. and Heuser. M. W.
Publisher
Athens Ga. Varsity Press
Year
1987
ISBN
0942375009
Description
A very detailed book on propagating trees. Not for the casual reader.
]. Sow spring in the greenhouse[
78
Title
Propagation of Trees, Shrubs and Conifers.
Publication
 
Author
Sheat. W. G.
Publisher
MacMillan and Co
Year
1948
ISBN
-
Description
A bit dated but a good book on propagation techniques with specific details for a wide range of plants.
]. As soon as they are large enough to handle, prick the seedlings out into individual pots and grow them on in a greenhouse for their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Plants resent root disturbance and are best planted out in their permanent positions as soon as possible[
11
Title
Trees and Shrubs Hardy in Great Britain. Vol 1 - 4 and Supplement.
Publication
 
Author
Bean. W.
Publisher
Murray
Year
1981
ISBN
-
Description
A classic with a wealth of information on the plants, but poor on pictures.
].
Cuttings of half-ripe wood, mid summer in a frame[
200
Title
The New RHS Dictionary of Gardening. 1992.
Publication
 
Author
Huxley. A.
Publisher
MacMillan Press
Year
1992
ISBN
0-333-47494-5
Description
Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Cite as: Temperate Plants Database, Ken Fern. temperate.theferns.info. 2022-10-07. <temperate.theferns.info/viewtropical.php?id=Cercis+siliquastrum>

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