Give your rose bushes the extra nourishment they crave with Jobes Fertilizer Spikes for Roses. Unlike surface fertilizers that can wash away with rain or watering, Jobes works underground at the plants roots, providing heightened growing power and healthy blooms that create a focal point for your home landscape. The specially formulated, premeasured spikes make for a fast, easy and mess-free fertilizing experience. For best results, apply in early spring when new growth begins. Spikes come in a waterproof, resealable pouch.