$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
$12.99 Purely Organic Tree & Shrub Fertilizer Plant Food Spikes (Box of 6 Spikes)
$26.99 GEMPLER'S Liquid Iron Supplement for Plants – Commercial Grade Chelated Iron for Trees, Shrubs, Plants, Crops - 1 Gallon