$11.06 Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack
$22.30 Jobe's Organics Tree & Shrub Fertilizer Spikes, 10 Spikes
$26.99 GEMPLER'S Liquid Iron Supplement for Plants – Commercial Grade Chelated Iron for Trees, Shrubs, Plants, Crops - 1 Gallon
$34.95 Chelated Liquid Iron +Plus Concentrate Blend, Liquid Iron for Lawns, Plants, Shrubs, and Trees Stunted or Growth and Discoloration Issues – Solve Iron Deficiency and Root Problems – (32 oz.) USA Made