Best time to visit Valley of Flowers is immediate after monsoon from July to September. This time, the valley is at full blossom. The park opens from June to October for visitors.As the name suggests, Valley of Flowers is home to various gorgeous flowers. You can also find here several rare medicinal plants. Some variety of flowers to be visited here is Orchids, Poppies, Primulas, Marigold, Daisies, Rhododendron, Angelica, Fritillary and many others.