Easy Gardener Jobes 06100 Potted Plant and Hanging Basket Spikes Jibe's Potted Plant & Hanging Basket Fertilizer Spikes 6-18-6 Fertilizer spikes feed trees at the roots, where they need it most Active Ingredients: Nitrogen, Phosphate, Potash, Calcium, Magnesium, Sulfur This product is made in United States The specially formulated, premeasured spikes make for a fast, easy and mess-free fertilizing experience Slow-release formula for potted plants and hanging baskets One application feeds for up to 8 weeks Spikes are available in a waterproof, resalable pouch or in a blister card pack This product comes in pack of 18