$64.60 Pro Trust Products 71255 Plant 15.6-Number 21-5-12 Tree and Shrub Prof Fertilizer
$12.99 Purely Organic Tree & Shrub Fertilizer Plant Food Spikes (Box of 6 Spikes)
$22.30 Jobe's Organics Tree & Shrub Fertilizer Spikes, 10 Spikes
$39.99 Generic Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit and Flowering Trees & Shrubs Plant Food Bundle: Feeding as Easy as Watering
$24.88 Ross Rose & Flowering Shrubs Fertilizer Refills for Ross Root Feeder, 15-25-10 (Ideal for Watering During Droughts), 54 Refills