Blackberry Jam Fruit (Rosenbergiodendron formosum)

3.5
Rated 3.5 out of 5 stars
2 Reviews
Regular price $49.95
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Shipping calculated at checkout.
5 in stock

Pot Size

Blackberry Jam Fruit, also known as Jasmin de Rosa or Raspberry Bush, is a rare and exotic fruiting shrub native to Panama, Colombia, Venezuela, and Ecuador. Related to Gardenia, the shrub is highly ornamental and it's flowers have a beautiful sweet fragrance.  The hard outer shell of the fruit is bright golden yellow.  The fresh delicious pulp is nearly black in color and tastes just like blackberry jam!

Syn. Randia formosa

Plant Type:
Perennial Evergreen Shrub 

Harvest Season: 
Late-Spring, Summer, Early-Fall

Mature Size: 
Up to 8 ft. tall but typically around 4-5 ft tall and wide

Soil & Moisture: 
Adaptable; likes rich, moist, well-draining soil. Does really well in sandy soil.

Light Requirements: 
Full Sun, Part Shade 

Self-Fertile: 
Yes  

Growth Rate:
Medium  

Zone Hardiness:
Outdoors 9-11; Patio/Greenhouse 4+  

Propagation: 
Our Blackberry Jam Fruit is grown from seed and capable to fruit within 2-3 years.
All of our plants ship in plantable coconut coir pots or recyclable nursery pots! Just pop them in the ground or reuse and recycle. Want to learn more about our plant sizes and how to grow them? 👉 Checkout the Full Guide Here

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3.5
Rated 3.5 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 1 Total 1 star reviews: 0
50%would recommend this product
Slide 1 selected
2 reviews
  • JV
    Janet V.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    6 days ago
    Love this plant.!

    My plant arrived in good condition. I was waiting for this plant to be available since I love it so much. The leaves are some how yellow and I did applied fungicide just in case

    What do you think it can be?

    SE Profile picture for Sow Exotic Nursery
    Sow Exotic Nursery
    6 days ago

    Thanks so much for your review! Yellowing leaves can be due to transplant shock. Applying fungicide was a good precaution but with proper care this should thrive. If it doesn’t improve, feel free to email us a photo at care@sowexotic.com and we’ll be happy to help!

  • K
    Kyle
    I do not recommend this product
    Rated 2 out of 5 stars
    10 months ago
    2 Stars

    Hoping for the best, came very small,about 3 inches. The leaves are yellow still weeks later and came with a barnaclelike thing on them. All other products I’ve received have been fantastic

Plants Shipped
in Plantable Pots

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