For fans of cross-breeding to grow rare flower colors in Animal Crossing: New Horizons, no bloom may be more elusive and challenging to grow than ACNH’s Blue Roses. The Blue Rose can add a rich pop of color to any garden, but it takes several generations of cross-breeding to obtain. The complex DNA codes of flowers in the game and many possible Rose color combinations make the Blue Rose take quite a few weeks, or even months, to grow.

https://screenrant.com/animal-crossing-new-horizons-blue-roses/