Jobe's Tree & Shrub Fertilizer Spikes 15-3-3

Jobe’s Fertilizer Spikes for Trees & Shrubs provide slow-release nutrients for an entire season, making insertion easy and eliminating runoff.

• The description claims that the fertilizer ensures a continuous supply of nutrients below the surface where the trees' active roots are growing.
• The description claims that the spikes are easy to insert around each tree’s dripline.
• The description claims that the slow-release formula lasts all season.