A pink poppy to turn orange?
Certified GKH Gardening Expert
Do you mean that the same flower turned from pink to orange? Or do you mean that the previous season's seeds were pink, and this year's were orange? Can you include photos, and quite a bit more detail? This will help me to give you an answer.
In the meantime, this article will help you with their care: https://www.gardeningknowhow.com/ornamental/flowers/poppy/growing-poppy-flowers.htm