Tsugaike National Park opens in mid-May when there are some unmelted snow left.
Most areas in the park is still covered in snow more than 1 meter deep, this would be the chance to view the dynamic winter scenery as well as early-appearance of Mizubasho(Asian skunk-cabbage) in marshland.
In June, Mizubasho(Asian skunk-cabbage) are in full bloom, during the peak season marshlands are completely covered by Mizubasho.
Cute yellow Marsh Marigold also starts blooming at this time.
Most flowers blossom in July.
Flowers waiting to welcome you at this time are heloniopsis orientalis, fringe bell, trillium, chickweed wintergreen, meadow buttercup, day liliy, to name a few.
From July to August, rare and unique view of flowers can be seen, such as ears of cotton grass and geum pentapetalum.
From mid-August, Autumn flowers also start blooming, such as aconite, pedicularis nipponica, and tofieldia glutinosa.
As grass starts to change its color, whole National Park starts to change its scenery.
Less flowers in bloom instead more colored seeds can be seen.
With clearer sky and clouds flowing slowly, the Park change its atmosphere from summer season to quieter and calmer.
As in October, leaves the park will celebrate its peak.
Colored leaves are truly magnificent in Tsugaike National Park.
After the peak season for colored leaves passed, here comes the best season to view the carpet of green bamboo grass and a shape of white Erman's birch.
When trees at the foot of mountain starts to change its color, it is closing time for Tsugaike National Park.