[citation needed] During this season, kuam daeng (Acer calcaratum) will turn red and shed their leaves.

Kradum ngoen (Eriocaulon henryanum Ruhle) and lady's slipper orchids (Paphiopedilum sukhakulii Schoser & Senghas) make up the undergrowth of the hill evergreen forest.

On the east side of Phu Luang dinosaur footprints on the rock, aged more than 120 million years, were discovered.

The most prominent ones at Phu Luang are Pinus merkusii and Khasi pine forests, savanna on plains, mounds, and stone terraces.

[3] The Phu Luang cliff frog (Huia aureola) was found within the reserve in 2006, notable for its ability to change color.