Jobe&rsquo;s Tomato Fertilizer Spikes, 6-18-6 Time Release Fertilizer for All Tomato Plants, 18 Spikes per Resealable Waterproof Pouch Pre-measured fertilizer spikes nourishes at the roots; Time release fertilizer spikes for tomatoes Easy to use fertilizer spikes; No wasteful runoff, no mess, hazards or smells Continuous supply of nutrients below the surface, where the active roots are growing Jobes spikes feeds for 8 weeks; Continuous nourishment for robust tomato plants Guaranteed fertilizer analysis: (6-18-6) 18 spikes in waterproof resealable package