$56.95 ($1.19 / oz) Keyfit Tools Tree Fertilizer Spike Land Staker 2.0 Get Your Fertilizer Spikes 1 Foot Deeper for Deep Root Tree & Shrub Fertilizing ~Or use Your own granular Fertilizer Does NOT Come with fert Spikes
$12.49 The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 6 Spikes)
$10.18 Jobe’s 01000, Fertilizer Spikes, For Trees and Shrubs, 5 Spikes
$25.22 fertilome Tree And Shrub Fertilizer
$26.99 GEMPLER'S Liquid Iron Supplement for Plants – Commercial Grade Chelated Iron for Trees, Shrubs, Plants, Crops - 1 Gallon