A study of 33 tree species belonging to 18 families indicated that majority of the species (14 out of 33) flowered in the month of April, followed by May (6 species), March (4 species), June and November (2 species each) and January, August, September and October (1 species each). August, September and October (1 species each). Fruits of maximum species ripe (6 out of 33) in the month of June, followed by August and November (5 species each), July, September, October and December (3 species each) May (2 species) and February and March (1 species each). 16 species foliate in the month of March followed by February and April (5 species each), May (4 species) and June (3 species). Maximum species defoliate in deciduous tree species (12 species) in December while in evergreen trees leaves appear and fall simultaneously.