Jobe’s Fruit & Citrus Tree Fertilizer Spikes can help keep your trees in tip-top shape. Not only do you want your trees to be as robust as possible; you also want the fruits they bear to be as delicious as possible. Specially formulated for fruit, citrus and nut trees, Jobe’s Fruit & Citrus Tree Fertilizer Spikes ensure that yours are well-fed. These spikes delve deeper than surface-level, continuously supplying nutrients to your trees’ roots all season. Insert them around the dripline of each tree and enjoy a safe fertilizer that requires no mixing, measuring or mess.