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Randia formosa Blackberry Jam Fruit   Rubiaceae
 

Blackberry Jam Fruit, Randia formosa

 
Blackberry Jam Fruit, Randia formosa

Small, hard shelled fruit with dark black pulp tasting like blackberry jam.

Description: Small bushy shrub, usually only 4-6ft tall. The blackberry jam fruit is related to the gardenia and produces fairly large, fragrant and ornate white flowers.

Hardiness: It is hardy to 28-29F.

Growing Environment: It enjoys full or partial sun, and acidic soil. Generally, the plant is fairly easy to grown and can make a container specimen in colder areas.

Propagation: By seeds.

Uses: Fruits are eaten fresh or used to make jams, jellies, and preserves.

Native Range: Native to Central and South America.
You don't have to make a preserve with this fruit - the fresh pulp tastes exactly like Blackberry Jam. Yet it's not too sweet and actually tastes even better than any preserve. When you see the shrub all covered by yellow fruit, you are anxious to pick, crack open all of them, and suck out the sweet and tasty exotic pulp... This is one of those fun rare fruits than one never gets tired of!

Randia formosa is a rare tropical to subtropical fruit, growing as a small evergreen bushy shrub, usually only 4-5 ft tall in the ground and 3-4 ft in container. It can be also trained into a miniature tree. The plant is closely related to gardenia and produces 1.5-2" star shaped, very fragrant, tubular white flowers that attract nocturnal moths. Olive-shaped yellow fruits are woody shelled, about 1" size and look like small loquats. They can be easily crushed between teeth. The fruit contains two cells with small flat seeds surrounded by sweet black soft pulp tasting like "blackberry jam", beloved of children and adults.

Besides tasty fruit, the plant has many other GREAT FEATURES.

Slow and compact grower. For years, it can be grown in 3-5 gal container, reaching 3-4 ft in height.
Branching habit and a dense pretty foliage.
Tolerates shade and will flower and fruit in filtered light, which is appreciated by container gardeners who grow these plants indoors or in a crowded greenhouse.
Flowers are gardenia-like and have pleasant sweet fragrance, although not as strong as gardenias. When in bloom, the bush is all covered with star-shaped flowers.
Starts fruiting in young age - 1-1.5 year from seed. 1-3 gallon container plants start blooming and fruiting when reach about 2 ft tall.
Heavy producer. A small 3 ft plant in 3 gal container can bear as many as 25-30 fruit at a time. Blooming/fruiting period continues for a few months, new flowers appear while the first fruit start to ripen.
Fall/winter bloomer. Enjoy fragrance and fruit when other plants are off-season!
Likes container culture. It requires acidic soil and will feel happy in a well-drained potting mix.

     
Blackberry Jam Fruit, Randia formosa Blackberry Jam Fruit, Randia formosa Blackberry Jam Fruit, Randia formosa

 

  

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