$36.50 Ross 14666 36 Pack Tree & Shrub Fertilizer Root Feeder Refills - Quantity 3
$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
$24.99 Weatherly Organic Trees and Shrubs Fertilizer Spikes
$39.88 The Andersons PGF Balanced 10-10-10 Fertilizer with Micronutrients and 2% Iron (5,000 sq ft)