These thriving Butterfly Hibiscus shrubs (Hibiscus rosa-sinensis) arrive in 2.5-inch nursery cubes, ready to plant. These drought-tolerant, tropical shrubs provide vibrant yellow blooms and evergreen foliage year-round. • USDA ZONES: 9-11 Preferred • STRESS-FREE CARE: Thriving in full sun and heat, this plant needs little attention to thrive. Hardy and low-maintenance, it only needs occasional pruning to keep its shape as a small shrub or larger plant reaching 4-6 feet tall, adapting to any conditions with ease.