$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
$19.95 LawnStar Chelated Liquid Iron (32 OZ) for Plants - Multi-Purpose, Suitable for Lawn, Flowers, Shrubs, Trees - Treats Iron Deficiency, Root Damage & Color Distortion – EDTA-Free, American Made
$12.49 The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 6 Spikes)
$34.99 Jobe's Tree Fertilizer Spikes, 16-4-4 Time Release Fertilizer for All Shrubs & Trees, 15 Spikes per Package - 2
$24.88 Ross Rose & Flowering Shrubs Fertilizer Refills for Ross Root Feeder, 15-25-10 (Ideal for Watering During Droughts), 54 Refills
$13.90 TOPBUXUS Boxwood Turbo Grow – Professional Boxwood Fertilizer – 1lb for 100ft2