$11.55 Vigoro Tree and Shrub Fertilizer Spikes (15-Count)
$12.49 The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 6 Spikes)
$28.99 Jobe’s Organics Tree Fertilizer Spikes, 5-5-5 Time Release Fertilizer for All Shrubs & Trees (2)
$25.22 fertilome Tree And Shrub Fertilizer
$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