Q.Amaryllis Care
What kind of fertilizer do I use to make them bloom? And when do I use it and how often? My bulbs are planted in the ground. They have bloomed once since I transplanted them 15 years ago. We don’t have good soil, it’s more like clay.
Thank you, Melinda Bickham

Here are some articles that will help you.
https://www.gardeningknowhow.com/ornamental/bulbs/bgen/how-to-plant-a-flower-bulb-in-your-garden-after-winter-forcing.htm
https://www.gardeningknowhow.com/ornamental/bulbs/amaryllis-hippeastrum/amaryllis-outdoor-garden.htm
https://www.gardeningknowhow.com/ornamental/bulbs/amaryllis-hippeastrum/amaryllis-bloom-again.htm