🌱 Morphology
It looks like a small tropical pineapple that decided to become a tree. Its thick stem is covered in a succession of geometric reliefs, while the top features a crown of long, narrow leaves that immediately brings to mind a small Cycas. It is one of those Euphorbias that looks more like a sculpture than a plant, and that is precisely where much of its appeal lies.

It is a slow-growing Japanese horticultural hybrid usually related to Euphorbia bupleurifolia and E. susannae. It develops a short, thick, fleshy stem that is generally solitary for much of its life and can reach approximately 15–20 cm in height, forming a broadened base. The surface is covered with numerous bumps and leaf scars arranged in a very regular pattern, caused by leaf drop and responsible for its characteristic pineapple-like texture. The narrow, lance-shaped leaves form an apical crown during active growth and may partially disappear during dormancy. Over the years, it can produce offsets and form clumps. It does not develop the prominent spines characteristic of many succulent Euphorbias. Like all Euphorbias, it produces white latex when injured.

🌍 Distribution, habitat, and family
It has no natural distribution, as it is a hybrid of horticultural origin produced and selected in Japan. Its parentage is related to South African species of the genus Euphorbia, but ‘Sotetsu Kirin’ should be considered a cultivated entity rather than a wild plant. It belongs to the Euphorbiaceae family. The Japanese name 蘇鉄麒麟 (Sotetsu Kirin) and the trade name Pineapple Cone refer to its resemblance to a Cycas and a small pineapple, respectively.

❄️ Temperature — USDA Zone 10a
It tolerates minimum temperatures of up to −1 ºC according to the USDA zone attributed to the E. bupleurifolia × E. susannae hybrid, but this figure should be interpreted with great caution. Specific cultivation references for ‘Sotetsu Kirin’ recommend keeping it around 10 ºC or higher during winter, especially for potted specimens. Therefore, it is not considered a cold-hardy Euphorbia and should be protected from frost and, above all, from moisture associated with low temperatures.

☀️ Lighting
During active growth, it needs intense light, with a target of approximately 18–25 mol/m²/day of PAR DLI. It tolerates high light exposure, but should be gradually acclimated to direct sunlight, especially after being kept in sheltered conditions. Insufficient light causes weaker, leggy growth and alters the plant's compact architecture.

💧 Growth cycle and watering
Winter dormancy.
During the active period, regular watering is recommended, allowing the potting mix to dry out completely before watering again. In autumn and winter, it significantly reduces its activity and may lose some of its leaves, so watering should be greatly reduced. During dormancy, it is especially important to avoid keeping the potting mix moist for prolonged periods, as its roots are sensitive to excess water at low temperatures.

🌸 Flowering
Adult specimens may produce small yellowish-green cyathes, although flowering is secondary to the extraordinary ornamental value of its stem and leaf crown. It may flower during spring and summer under suitable conditions.

🌿 Nutrition
During the active growth period, a fertilizer specifically designed for succulents is recommended, with a high content of assimilable calcium, such as Desert CHOICE® Suculentas, applied once a month when watering.

This is an inimitable xerophyte cultivated in Madrid in a high-tech square pot with a potting mix activated with mycorrhizal fungi and biofungicides.

Gourmet 10x10 cm pot