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Trees

Arabic Name

الخروب

Latin Name

Ceratonia siliqua , Caesalpiniaceae

English Name

Carob Tree, St. John’s Bread, carob, qarmatt

This evergreen tree, known in Arabic as carob and English as St. John’s Bread, used to be native to the Arabian Peninsula as a wild variety. The Egyptians cultivated it 4,000 years ago. Nowadays, it can be found in the Mediterranean and in southern Europe. It is, however, only seldom seen in the Arriyadh region, sometimes on farms or in sheltered private gardens, and is probably more suitable for a coastal setting. Carob is a tall shrub or tree which grows up to 10 metres high with an equal spread, and has a dense crown. It is slow-growing and often multi-stemmed. There are both male and female trees (the pods appear on the latter). The dark-green leaves are pinnate with up to ten glossy oval leaflets. The flowers appear in small clusters in late summer on pale-yellow racemes directly on the stem and branches. The fruit is more imposing, and gives the tree its name. Huge, green and later dark-brown elongated pods hang all over the tree. C. siliqua grows on sandy, limey soil with good drainage and is highly salt-tolerant. It does require some humidity, but once established it is relatively drought-tolerant, because of its deep tap roots. It is sensitive to frost. In ancient times, people in the Middle East used to weigh gold and gems against the seeds of the carob tree, which was known in Greece as keration. C. siliqua is propagated by seed and cuttings. Ceratonia is a beautiful specimen shade tree for parks and private gardens. The root zone should be thoroughly soaked once per month. All parts of the tree create litter.

General information

Family Name : Caesalpiniaceae
Origin: Mediterranean
Rainfall: Semi Humid , Semi Arid
Propagation: Aerial Layering , Sowing and Pricking Out
Maintenance: Moderate

Environmental conditions

Urban Climate: Vulnerable
Desiccation: Vulnerable
Drought: Vulnerable
Irrigation: Medium
Salinity: Moderate < 3,000 ppm
Hardiness Zones: -3°C

Plant shape

Vigour: Normal Growth Rate
Height: From 4 To 10 M
Expansion: From 5 To 10 M
Foliage: Evergreen

Flower

Colour: Red Pastel , Yellow Pale
Size: 10 CM
Flowering Period: From Early August Till Late October
Smell: Sweet

Fruit

Type Of Fruit: Pod
Size: 10 CM
Toxicity: Fruit

Location of Use :

Container Planting , Hillside Stabilization , Park Planting , Private Garden , Hedge , Specimen , Wadi Farm Garden

Other choices :

Mythological , Wind Damage , Grouped Planting , Plant Used by ADA , Invasive Roots , Screen , Fruit Drop , Attractive Shape , Crop Plant , Dominant Plant , Medical Plant

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