Common name:Mexican Palo Verde, Jerusalem Thorn
Botanical name:Parkinsonia aculeata
The Mexican Palo Verde has prickly stems. This tree is very fast growing with sparse foliage and very long narrow leaves. Yellow flowers with orange red throats bloom sporadically. It is very messy, thorny, weedy and short-lived. This tree is usually found on limestone soils in areas with moisture but is strongly drought tolerant. It can withstand saline conditions. It can be cold or drought deciduous. It is beautiful in form being light and airy looking, with green bark.
Common name:Blue Sage
Botanical name:Salvia 'Allen Chickering'
The Allen Chickering Sage is a perennial shrub that grows 2'-5' high and 2'-4' wide. It has blue flowers that bloom in the spring and summer. This shrub is native to California and is drought tolerant.
Common name:Sonoma Sage, Creeping Sage
Botanical name:Salvia sonomensis
This low growing, native ground cover has glaucous (covered with whitish, waxy material) green leaves with blue violet flowers that bloom in the spring and summer.
Practice grass-cycling by leaving short grass clippings on lawns after mowing, so that nutrients and organic matter are returned to the soil.
Remove irrigation water and fertilizer from areas where you don't want weeds to grow.