With its hybrid vigor, Butterfly Pentas produce larger flowers and umbels, withstands stressful conditions and shows better garden performance than other commercial seed varieties. Nothing outperforms Graffiti Pentas in containers or the landscape. These garden gems are heat tolerant and will survive in the harshest garden situations. Starla Pentas reach 14-18 inches tall and 16-20 inches wide and produce blooms continuously throughout summers heat and humidity. Ideal for the landscape and mixed containers.