
Certified GKH Gardening Expert
I don't see your location listed, but tulips are often treated as annuals because they don't reliably return unless your climate is perfect for them. Certain species tulips have a better chance of returning. You can try planting them in the ground, but your best bet will be to purchase new bulbs in the fall.
It's also possible the bulbs rotted in the container. Here is more:
https://www.gardeningknowhow.com/ornamental/bulbs/tulips/tulips-bloom-every-year.htm
https://www.gardeningknowhow.com/ornamental/bulbs/tulips/tulips-care-and-tulip-planting-tips.htm