Pre-measured fruit & citrus fertilizer spikes nourishes at the roots; Time release fertilizer for all fruit and citrus trees | Easy to use fertilizer spikes; No wasteful runoff, no mess, hazards or smells; Apply early spring and late fall | Continuous supply of nutrients below the surface, where the active roots are growing | Jobe's spikes are easy to insert around each tree's dripline, and the slow-release formula feeds all season | Guaranteed analysis: (9-12-12) 5 spikes in traditional packaging, (8-11-11) 5 spikes in clear package, (8-11-11) 9 spikes, (9-12-12) 15 spikes, (8-11-11) 160 spikes