Adenium obesum (Forssk.) Roem. & Schult.
Desert Rose, Mock Azalea, Impala Lily
Adenium coetaneum, Adenium honghel, Nerium obesum, Adenium arabicum, Adenium arboreum, Adenium micranthum, Adenium socotranum, Adenium somalense, Adenium speciosum, Adenium tricholepis, Cameraria obesa
Color: Red and pink
Bloom Time: Spring and summer
Adenium obesum is an evergreen or drought-deciduous succulent shrub with pachycaul stems and a stout swollen basal caudex. It grows up to 10 feet (3 m) tall. Leaves are spirally arranged, clustered toward the tips of the shoots, simple entire, leathery in texture, up to 6 inches (15 cm) long, and up to 3 inches (8 cm) wide. Flowers are tubular with five petals, red and pink, often with a whitish blush outward of the throat. They are up to 2 inches (5 cm) long, with the outer portion up to 2.4 inches (6 cm) in diameter. Long fingerlike double fruits are grey to pale grey-brown, sometimes fringed with pink.
USDA hardiness zone 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
These are not difficult plants to grow well, provided they get enough sunlight and warmth. However, like all succulents, they cannot tolerate sitting in water, and if you err, do it on the side of too little water. Use a specialized soil mix designed for cacti and succulents.
Repot as needed, preferably during the warm season. To repot a succulent, make sure the soil is dry before repotting, then gently remove the plant from the pot. Knock away the old soil from the roots, making sure to remove any rotted or dead roots in the process. Treat any cuts with a fungicide and antibacterial solution.
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