Adenia Spinosa (The Spiny Greenstem)

This succulent is native to the Northern parts of South Africa, Botswana, and Zimbabwe. Adenia Spinosa is commonly found in scrubland plant communities that are often hot and dry. The term “spinosa” means “with spines” and refers to the presence of blunt spines on the branches of Adenia Spinosa, which also serve as tendrils.

Scientific Name:Adenia Spinosa
Other Names:Spiny Greenstem
Growth Season:Summer season
Preferred Temperature:Keep above 45 degrees Fahrenheit (7 degrees Celsius), and keep at or above 60 degrees Fahrenheit in winter (15 degrees Celsius)
Hardiness Zone:USDA Hardiness Zone 11
Average Mature Height & Width:2.5 meters tall and 1.5 meters in diameter
Dormancy:Winter season
Toxicity:Avoid being in contact with the sap of Adenia Spinosa as it is poisonous. It is advisable to avoid leaving your kids and pets unattended with this type of succulent.
Adenia Spinosa Summary

Plant’s Physical Characteristics

Adenia Spinosa is known to be a thorny and climbing shrub. This succulent has a twisted frame of thin branches, which arise from an irregularly shaped, fleshy, and bulging stem. Adenia Spinosa leaves are grey-green above, with noticeable veins, and are broadly egg-shaped. The leaf’s margins are smooth and lobed. Adenia Spinosa produces creamy yellow flowers in late winter to midsummer. Flowers of different sexes can be found on separate plants. Adenia Spinosa also has ovoid capsule fruits, divided into three segments and transition from green to yellow when ripe. Adenia Spinosa has a fibrous root system.

Adenia Spinosa Care

You may water Adenia Spinosa every 3 to 4 during the summer and shouldn’t be watering it all during the winter. Adenia Spinosa prefers slightly acidic soil at pH 6.1 to 6.5. Use equal parts of sod, leaf land, peat, and coarse sand for your soil mixture. Generally, this succulent is easy to grow but requires indirect bright or scattered light. Shade is required to avoid sunburns. Feed your Adenia Spinosa once every 2 to 3 weeks during its growing season. Use an additional fertilizer with a high level of phosphorus and potassium. During its dormant season, do not feed your Adenia Spinosa at all.

Adenia Spinosa Growth

This succulent can be propagated from both seeds and cuttings. Adenia Spinosa will produce a thick stem or caudex when propagated through seeds. When propagating through cuttings, wait a few days for your succulent to be calloused before replanting. Pruning might be a good idea to maintain the shape and size of your Adenia Spinosa. Removing dying or dead leaves or branches can also avoid spreading diseases and might save your plant.

You may need to re-pot your Adenia Spinosa every 2 to 3 years or when the plant already outgrows its current pot. When repotting, use fresh soil to avoid spreading diseases and infections. Make sure you carefully handle your Adenia Spinosa when repotting or pruning since it is poisonous. You should wear gloves when touching your Adenia Spinosa. Overall, Adenia Spinosa is resistant to pests. Just make sure to avoid overwatering to avoid any decay or infections.

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Richard Miller

Salute everyone. It's Richard, the author of this Succulent & Xeriscaping blog. I am a traveler and a nature lover looking for a connection with the wild green. In my journey, I found a love for succulents and xeriscaping. What attracts me is the long-lasting & unique beauty of every plant I have the chance to see with my own eyes. Welcome to my little blog and let's enjoy a good time together!

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