$10.18 Jobe’s 01000, Fertilizer Spikes, For Trees and Shrubs, 5 Spikes
$24.99 Weatherly Organic Trees and Shrubs Fertilizer Spikes
$39.99 Generic Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit and Flowering Trees & Shrubs Plant Food Bundle: Feeding as Easy as Watering
$26.99 GEMPLER'S Liquid Iron Supplement for Plants – Commercial Grade Chelated Iron for Trees, Shrubs, Plants, Crops - 1 Gallon