Bill Teague's Top Plant Recommendations: Favorite Purple Plants for Southern California.
Butterfly Vine - Dalechampia dioscoreifolia
This plant blooms most of the year. Great for hiding an ugly fence and it grows fast giving you a blast of color immediately. Vines are a great way to get color in the garden fast and they are trainable.
Heliotrope - Heliotrope arboresens cvs
Blooms all year and easy maintenance.
Mexican Bush Sage - Salvia leucantha
Long bloom and drought tolerant.
Princess Flower - Tibouchina urvilleana
Large bold purple flowers.
Snail Vine - Vigna caracalla
Great purple blooming vine. Blooms most of the year giving purple to the garden a long time. Easy maintenance.