How is spring different from autumn for Bhutan (Chomolari) Trek?

Spring is more renowned for blooming of wild flowers in technicolor. The valleys, trail on the course of trek are carpeted with spectrum of colorful array of different flowers and untamed vegetation, a visual feast for nature’s lover. As for autumn, the weather is clear and beautiful, the warmth that autumn bring forth is clarity in visibility of far off mountains and majestic peaks.