Tree peony

Question

My tree peony is 15 years old and has never bloomed. It is large nice foliage no blooms. What do I need to do,

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Answer 1

How do you fertilize that area? If you fertilize your lawn with a high nitrogen fertilizer, then this can be the reason. You can negate this by adding a fertilizer high in phosphorus and potassium. This will, often, supplement the nutrients that it needs to flower. This article will help: https://www.gardeningknowhow.com/ornamental/flowers/peony/how-to-grow-a-tree-peony.htm