Own Root - All of our red rose bushes 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 roses. One Gallon - All of our Floribunda rose plants are 12-16 months old and delivered in one gallon containers with rich soil. Hardiness Zones: 5-10 Lightly Fragrant & Repeat Blooming - Will bloom in flushes throughout the growing season. Approximate Size: 3' x 3' - This is the indefinite size of the red rose plant when it reaches full maturity. Upon delivery, roses will be around 12-15 inches tall and may be partially defoliated to ensure plant health during shipping. Subject to Amazon's 30 day warranty. Void if granular fertilizer has been used. This rose will have you saying “Oh My!” Her dark red, velvety flowers bloom in great clusters on an upright bush with glossy, dark green foliage. We love Oh My! as a hedge, mass planting ,or just by herself. Gardens in cooler temperatures will bring out the best flower form for this 3 ½” rose.