Jobe&rsquo;s Fertilizer Spikes for Flowering Plants 8-9-12 Time Release Fertilizer for Hanging Baskets andPotted Plants, 18 Spikes per Package Pre-measured fertilizer spikes nourishes at the roots; Time release fertilizer for flower baskets and potted plants 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 2 months; Provides flowers with continuous slow-release nourishment at their roots Apply every 8 weeks; Guaranteed fertilizer analysis: (8-9-12) 18 spikes in waterproof, resealable pouch