Transform your garden into a vibrant paradise with our specially formulated Fertilizer Spikes, designed to nurture your roses and flowering plants effortlessly. Why choose our Fertilizer Spikes?. Expiration Date: Rose Fertilizer Spikes Unit Quantity: 10 Compatible Plant Type: Flower,Rose,Hydrangea,Hibiscus,Azalea,Flowering Shrubs Ingredients: Nitrogen,Phosphate,Potassium.