$59.97 Humboldts Secret Plant Enzymes – Best Plant and Root Enzymes – 7000 Active Units of Enzyme per Milliliter – Quality Plant Food and Plant Fertilizer – Highly Concentrated – 16 Ounce
$26.22 Jobe's Organics Fertilizer Spikes (Tree and Shrub, 15 Spikes)
$12.49 The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 6 Spikes)
$11.06 Miracle-Gro Tree & Shrub Plant Food Spikes, 12 Spikes/Pack