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Ceratonia Siliqua "Carob Tree" Seeds

Ceratonia Siliqua "Carob Tree" Seeds

Regular price $5.55 $0.00

** not available to WA or International buyers due to quarantine restrictions.

Ceratonia siliqua, commonly known as the carob tree (from Arabic  kharrūb and Hebrew חרוב haruv), St John's-bread, or locust bean (not to be confused with the African locust bean), or simply locust-tree, is a species of flowering evergreen shrub or tree in the pea family, Fabaceae. It is widely cultivated for its edible pods, and as an ornamental tree in gardens. The ripe, dried pod is often ground to carob powder, which is used to replace cocoa powder. Carob bars, an alternative to chocolate bars, are often available in health-food stores.

The carob tree is native to the Mediterranean region, including Southern Europe, Northern Africa, the larger Mediterranean islands, the Levant and Middle-East of Western Asia into Iran; and the Canary Islands and Macaronesia.  The carat, a unit of mass for gemstones, and of purity for gold, takes its name, indirectly, from the Arabic word for a carob seed, carrat.

Carob consumed by humans is the dried (and sometimes roasted) pod. The pod consists of two main parts: the pulp accounts for 90% and the seeds for 10% of the pod weight.  

Carob is mildly sweet and is used in powdered, chip, or syrup form as an ingredient in cakes and cookies, and as a substitute for chocolate. Carob bars are widely available in health food stores. A traditional sweet, eaten during Lent and Good Friday, is also made from carob pods in Malta. Dried carob fruit is traditionally eaten on the Jewish holiday of Tu Bishvat.

While chocolate contains levels of theobromine which are toxic to some mammals, carob contains absolutely no caffeine and no theobromine, so is used to make chocolate-flavored treats for dogs. 



The above information was retrieved from  24 August 2017 1250 AEST

Mature carob trees produce an abundant crop of large, flat seed pods every other year, which can be harvested and used to propagate new trees. Carob seeds germinate reliably in summer when planted in moist, sterile growing mixture and kept under warm, bright conditions. However, the seeds possess a tough, impermeable outer hull that must be softened before planting to hasten germination.

How to grow Carob Seeds

1. Place the carob pods in a warm, dry place for five to 10 days, or until the seeds rattle when the pods are shaken. Snip off the ends of the pods using sharp, sturdy scissors. Pry open the pod and shake out the seeds.

2. Soak the carob seeds in cool water for one to two hours. Gently rub the seeds to remove the sticky, dried-on pulp. Rinse them thoroughly and lay them flat on a sheet of paper towel for a few hours to dry.

3. Rub the edge of each carob seed with a fine rasp to weaken the hull. Rub gently until the brown outer coat thins and the light inner hull is exposed. Do not rub all the way through the hull since the seed can die.

4. Place the carob seeds in a bowl. Heat water on the stovetop until it begins to boil. Remove the water from the heat and pour it over the seeds until they are covered. Soak the seeds for 24 hours.

5. Prepare growing containers while the carob seeds soak. Fill 4-inch peat pots with a mixture of half sterile compost and half perlite. Pour water onto the mixture until it is saturated. Press the surface lightly to extract the excess moisture.

6. Poke a 1 1/2-inch-deep planting hole in each growing container. Sow one carob seed in each planting hole. Cover the seeds with sterile compost. Drizzle water onto the compost to settle it around the seed.

7. Poke a 1 1/2-inch-deep planting hole in each growing container. Sow one carob seed in each planting hole. Cover the seeds with sterile compost. Drizzle water onto the compost to settle it around the seed.

8. Warm the bottom of the peat pots using a propagation mat or heating coil. Maintain a temperature of 70 Fahreneheit at all times during the germination process. Do not lower the temperature since it may cause the seeds to go dormant.

9. Maintain a constant level of light moisture in the growing mixture while the carob seeds germinate. Allow the surface of the growing mixture to dry out slightly before watering again.

10. Watch for germination in 30 to 45 days. Turn the propagation mat off once the seedlings emerge. Decrease watering to prevent a fungal infection called damping-off. Allow the top 1/2 inch of the growing mixture to dry out between waterings.

11. Transplant the carob seedlings once they grow to 3 inches in height. Tear off the bottom of the peat pots and transplant them directly into the garden or into large containers filled with a soil mixture of half loam and half sand.

Things You Will Need


Paper towel

Fine rasp


Peat pots

Sterile compost


Shallow tray

Propagation mat

Fluorescent lamp

1-gallon nursery containers




Carob trees tolerate smog, drought and salt spray, so they make ideal shade trees in urban coastal areas.

Growing information retrieved from homeguides 24 August 2017 1247 AEST

Note:   All care has been taken to ensure your seeds are of the highest quality.  No responsibility is accepted by the seller for germination rates.

*****Please note:   We do NOT sell live plants at all!! Quarantine restrictions and inspection fees prohibit the sale of seeds to Western Australia and Internationally.

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