Best time to explore the valley of flowers is july, August and September months, specially rainy season. In August month flowers will be it's peek form so it's good to make plan for valley of flowers in August month. After September month as winter start flowers will gone due to snow.
Things to remember while you plan for valley of flowers:
1. Complete the whole 10 km approx trek to explore it's complete beauty.
2. Tippra khark (river bank stay).
3. Tipra glacier (campaigning site).
4. Leggy grave.