Saffron petunia flowers blooming wild at Tapovan near Joshimath, Garhwal Himalaya, Uttarakhand, North India. The forests of Tapovan in their green shade hide the temple of Bhavishya Badri.

Lantana bushes grow wild in Jim Corbett National Park (Himalaya), Uttarakhand, India

Gerberas blooming in the garden leading to the principal's office at LaMartiniere Girls' College, Lucknow, North India

Pink Cosmos also known as Mexican Aster

An advantage of being in the Himalayas in April is that's when the rhododendrons, the national flower of Nepal, are in full bloom.  The colors - vivid pinks and reds - are magnificent, especially against the green of the forest