This section is from the book "Gardening In California: Landscape And Flower", by John McLaren. Also available from Amazon: Gardening In California: Landscape And Flower.
An evergreen shrub of upright habit and variously-colored flowers in cymes or fascicles blooming in Winter or early Spring. It should have a well-sheltered position and does best in light sandy soil, not being hardy where the temperature falls below twenty-six degrees Fahrenheit. The best known species are Cestrum elegans (purplish-red), Cestrum fasciculatum and Cestrum aurantiacum (yellow), all natives of Mexico.
Propagate by cuttings placed in cold frame, in soil composed of half sand and half leaf-mold, in September; shade from the sun until rooted.
 
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