Tree Aeonium (Aeonium arborescens). A branched 3-foot-tall succulent, with rosettes of 2-3-inch spathulate (rounded end) leaves at the tips of stems. Yellow flowers form in long clusters in mid-spring to early summer.
Stonecrops plant family (Crassulaceae), native to the Canary Islands (Atlantic Ocean) and west coast of Morocco. (Courtesy Tom Karwin) Crimson Spot Rockrose (Cistus ladanifer) Upright shrub 5-6 feet with sticky slender dark green leaves grayish and fragrant in the heat of summer. The beautiful 3-4-inch-wide flowers are the largest of the Cistus genus.
The plant’s fragrant resin (gum labdanum) has been used in perfumes. Rock-rose plant family (Cistaceae), native to Southern Europe (Spain, Portugal). (Courtesy Tom Karwin) Globe Daisy (Globularia sarcophylla 'Blue Eyes') Shrubby perennial to 2 feet and 3-4 feet wide, with leathery, silver-green foliage.
From the early summer through fall, it creates attractive 1 in. “powder puff’ flowers, lavender white with cobalt centers. This cultivar is the natural hybrid of two species in the Globe Daisy plant family (Globulariaceae), native to the Canary Islands (Atlantic Ocean).
(Courtesy Tom Karwin) Mediterranean Spurge (Euphorbia characias wulfenii) This compact evergreen shrub grows up to 4 feet tall and, with many medium to tall unbranched stems with long narrow leaves, clothed densely in short hair (tomentose), and yellow floral nectar glands within the yellow cup-like cyathia (“false flower”), which are borne.