Own Root - All of our pink roses at Heirloom Roses are own root, which means they will produce more blooms, be more hardy, and stay true to variety throughout their lifetimes, contrary to grafted rose bushes. One Gallon - All of our live rose plants are 12-16 months old and delivered in one gallon containers with rich soil. Exceptionally Fragrant Approximate Size - 5' - 6' x 3' - 4' - This is the indefinite size of the rose bush when it reaches full maturity. Upon delivery, rose plants will be approximately 12-16 inches tall. Hardiness Zones - 5-9 Continual Blooming & Hardy - Will bloom non-stop throughout the growing season. Hardy roses are easy to grow and low maintenance.