Sold by 5" pot -A versatile perennial that accepts a wide range of garden conditions. Long blooming throughout the summer, plump yellow buds open to sky-blue flowers that mature to iridescent hues of blue, violet and purple. Extremely drought tolerant once established, BOP stands for ‘Bottom of the Porch’ where it was discovered at Las Pilitas Nursery in Santa Margarita, CA. Attracts hummingbirds, butterflies and other pollinators. Plant in full to mostly sun. Will tolerate hot, dry sites.