Aichryson bethencourtianum Bolle
Aichryson bethencourtianum, Aichryson tortuosum var. bethencourtianum, Aeonium bethencourtianum, Macrobia bethencourtiana, Sempervivum bethencourtianum
Aichryson bethencourtianum, also known as Aichryson tortuosum var. bethencourtianum, is a densely branched succulent shrublet with more or less woody branches that bears hairy green leaves often tinged purplish-red. It grows up to 6 inches (15 cm) tall. Leaves are obovate, up to 0.7 inches (1.8 cm) long, and up to 0.4 (1 cm) wide. Flowers are star-shaped, golden yellow, and appear solitary or in small clusters in summer.
USDA hardiness zone 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).
How to Grow and Care
Aichrysons grow as understory plants in the endemic laurel and pine forests of the Canary Islands and prefer to grow in slightly shaded, moist soil with plenty of humus. They tolerate a cool, frost-free winter kept pretty dry. Some species are annuals or biennials, but the shrubby perennials also need to be restarted from cuttings regularly to be at their best. Many species produce volunteer seedlings around themselves after flowering.
These succulents are very tolerant of mixed conditions and will tolerate considerable shade as well as full sun. Given the right conditions, these plants will provide an incredible show of yellow flowers. Grow these plants hard with very little fertilizer because they can flower themselves to death. Aichrysons have a very structural trunk and make excellent bonsai subjects.
In winter, they require a rather sunny spot inside at moderate, cool temperatures. If they become too large, plants can be cut back. Cuttings will easily root within a few days. These ornamental dwarf plants are excellent pot plants and will thrive in any partially shaded spot at cool temperatures, e.g., on a window sill.
Learn more at How to Grow and Care for Aichryson.
This variety is native to the Canary Islands.
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