Keep your houseplants healthy and strong with Jobe's Organic Spikes Root Feeder. The 2.2 oz container contains pre-measured, specially formulated spikes that you can insert directly into your plant's soil, providing important nutrients without the mess or smell of liquids or granules. Slow release and organic, these spikes make it easy to nourish your plants. Fertilizer Analysis (N-P-K): 13-4-5 You'll have beautiful, vibrant plants without the extra hassle. Jobe's Organic Spikes Root Feeder will ensure they stay healthy for the long haul.