Lord Ganesha considers these Flowers as his Favorite
Lord Ganesha is the supreme manifestation of Brahman who removes obstacles and grants victories in endeavors. He is the pranava swarupa or the embodiment of AUM, the primordial cosmic sound. He is invoked before beginning any worldly, religious or spiritual activity.
Red Hibiscus
This is a favorite flower of Lord Ganesha. It is called Japakusuma in Sanskrit. It is grown in all places and many people keep in temples for worshiping Ganesha.
Clitoria Ternatea, Gokarna (Blue)
This is a white flower which is also called aparajitha. For early marriage one must make this flower offering.
Durva Grass
It is an important offering to Lord Ganesha. No ritual or worship to Ganesha is complete without offering this blade of grass.
Piper Betel, Maghai Paan
All auspicious Vedic functions or puja require betel leaves. It is believed that Lord Shiva and Parvati themselves had sown the seeds of paan in the Himalayan ranges.