Q.Can I Plant 2 Different Colors In The Same Large Pot Without Them Changing Colors?
I have an oriental (casa blanca) and an Asian ice (landini). Will they change color if planted together

Certified GKH Gardening Expert
It is not likely they will cross in your garden. They bloom at different times, which would make it difficult. Growers do cross lilies to create new hybrids, but they use special techniques and tools to achieve a successful cross.
If you do get a different color, it could be the result of a sport, or a mutation in the genes. Here is more:
https://www.gardeningknowhow.com/garden-how-to/info/plant-sport-mutations.htm
https://www.gardeningknowhow.com/ornamental/bulbs/lily/oriental-lily-plant-care.htm
https://www.gardeningknowhow.com/ornamental/bulbs/lily/planting-asiatic-lilies.htm
https://www.gardeningknowhow.com/ornamental/bulbs/lily/oriental-and-asiatic-lilies.htm