Product Description Jobe's Fertilizer Spikes for Azaleas, Camellias & Rhododendrons are specially formulated to fertilize acid-loving plants. Unlike surface-applied fertilizers that can wash away with rain or watering, Jobe's spikes work underground at the roots. They slowly release nutrients where plants need them most, promoting healthy growth and beautiful blooms. The specially formulated, pre-measured spikes deliver fast, easy and mess free fertilizer. From the Manufacturer Easy Gardener manufactures and distributes over 200 products to top lawn and garden retailers in the United States, Canada and United Kingdom. Our product lines include landscape fabrics, shade fabrics, fertilizers, tree care products, landscape edging, sun screen fabrics, netting and plastic fencing. Jobes Fertilizer Spikes for Azaleas, Camellias and Rhododendrons are specially formulated to fertilize acid-loving plants. Unlike surface applied fertilizers that can wash away with rain or watering, Jobes works underground at the roots. Nutrients are slowly released where plants get their nourishment, providing your acid-loving plants with healthy growth and beautiful blooms. The specially formulated, premeasured spikes make for a fast, easy and mess-free fertilizing experience. For best results, apply just after blooms shed, usually late spring or early summer. Spikes come in a waterproof, resealable pouch.