Pasadena is in a serious water shortage. Native Plants are a good alternative for landscaping water savings. Is very simple, they are adapted to the local weather, soil, animals attract births and butterflies and they need a minimal irrigation along with less maintenance, less pruning, no fertilizer, no pesticides.
We have several species, subspecies and varieties of native plants to chose from, one of those are a variety of agave like Agave Americana variegata that shows a great contrast with greenish-blue and yellow.
