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. Jobe's Fertilizer Spikes for Palm Trees are specially formulated to provide these special plants the primary nutrients needed to enhance their beauty and promote growth. Unlike surface applied fertilizers that can wash away with rain or watering, Jobes spikes work underground at the plants feeder roots to provide nourishment where its needed. with no mixing or spreading necessary, the premeasured spikes make for a fast, easy and mess-free fertilizing experience. for best results, apply twice per year between March and October.