Top 50 water-wise plants Pride of Madeira Actually from Madeira, this plant produces wonderful spikes of blue-purple flowers along the coast in poor soil and with practically no extra water. Bees love it.
Salvia Marchus, 8"-12", The perfect Salvia for planting in containers or as an edging. Marcus is a dwarf form of Salvia growing to only around 12 inches tall. The intense dark purple flowers will remain all summer if regularly deadheaded. Plants are very compact and bushy and have very nice olive-green foliage. Plants look very good when planted with soft yellows such as Coreopsis 'Creme Brulee'.
Echium webbii (Echium webbii) is a frost hardy biennial evergreen plant with blue flowers in late Summer and mid Summer. It grows well in direct sun, and prefers medium levels of water. The flowers are arranged in a panicle inflorescence. It has high drought tolerance. It looks best in Summer.
Zebra Cactus - This plant will grow well in full sun and it requires very little water. Plants are 6" tall and will grow babies around the base of the mother plant. They produce small white flowers with purple pin stripes on a long outreaching stem.