The Old Farmer's Almanac Tree & Shrub Fertilizer Spikes (Box of 12 Spikes - 3 Lbs)Brand: The Old Farmer's Almanac Features: Fast Acting, Long Lasting, Robust Nutrition: Each 5 Inch TruSpike Fertilizer Spike is packed with nutrition designed for feed your trees, evergreens and shrubs continuously for up to 3 months. 5 Inch TruSpike Packed With Fertilizer Hammer It In! This is not your old, ordinary, crumbly, dusty, oval shaped fertilizer "spike". This is a patented, powerhouse TruSpike. There's no need for a plastic cap or special