Miracle-gro indoor plant food spikes promote lush foliage and beautiful blooms for all flowering and foliage houseplants. Feeds for up to 2 months. Promotes lush foliage and beautiful blooms for all flowering and foliage house plants. 1.1 oz for all flowering foliage house plants all purpose formula controlled release feeds up to 60 days contains essential micro-nutrients bilingual packaging promotes lush foliage and beautiful blooms for all flowering and foliage house plants. How to use make a hole in moist soil with the miracle-aerator spike halfway between the plant stem and the pot rim place one plant food spike in each hole and press it down until its covered by soil in spring and summer replace spikes every 30 days replace every 60 days in winter and fall water plants regularly as required use the handy ruler on the edge of card to measure the size of your pot and determine the number of spikes needed when to apply in spring and summer replace spikes every 30 days replace