Coronado red hyssop - Grows 15-18" tall, 12-15" wide and has spikes of tiny red blooms that are most prolific July to September. Good in full sun and attracts bees and butterflies.
Turkish Veronica - Groundcover grows 1-2" tall, 15-18" wide; has blue flowers in May and June. Grows in full sun to partial shade. Use between stepping stones or instead of lawn in small areas.
Shadow Mountain® penstemon - Grows 18-24" tall, 15-18" wide in sunny conditions. Has lavender-blue flowers that bloom from throughout summer. Adapts well to wide range of gardens.