Aparaajita – Goddess Durga
Arka flower – Milkweed flower used in all prayers
Ashok – Associated with Sita
Atasi or flax – Sri Krihna’s complexion
Bandhook or Midday flower – Sun God
Banyan flower – Lord Siva prayers
Bilva flower – Lord Siva prayers
Blue butterfly pea flower – Goddess Durga
Chameli flowers – offered to Lord Hanuman
Champaka – Sri Krishna, Lord Kamadeva, Goddess Lalitambika
Champaka (yellow) – Goddess Saraswati
Dhatura flowers – Lord Shiva worship
Erukkan flower – used in all prayers
Fragrant Screw Pine – Lakshmi puja
Hibiscus – Goddess Durga and Kali
Indian coral red: -Used in the worship of Visnu and Siva Japa
kusum – Sun God, Surya worship
Jasmine – Used in all Deity worship and Durga Puja
Kadamba – Associated with Lord Krishna and Goddess Durga
Kovidar or purple orchid – Symbol in Bharata’s flag Krishna
Kamal flowers – offered to Sri Krishna
Kumud or white water lily – divine flower
Kund or Star jasmine – known for whitensssLotus – Goddesses, especially Lakshmi
Madhavi Lata – Associated with Vrindavan
Malati – Well known for fragrance
Marigold flowers – Lord Ganesha worship
Mandarai or Purple orchids – Lord Shiva
Milkweed flower – Lord Ganesha
Mogra flowers – Lord Vishnu prayers
Mullai flower – Lord Dakshinamurthy
Nandhyavattai – Lord Krishna worship
Neel Kamal – Goddess Durga worship
Parijat – Brought to earth by Lord Krishna
Patal or paral – adorns the hair of Goddesses
Pomegranate flowers – Lord Ganesha
Punnag – Lord Vishnu worship
Tajnigandha flowers – offered to Lord Shiva
Tulsi flowers – Vishnu and Krishna worship
Red coloured flowers – Lord Ganesha
Red Jasmine flowers – Goddess Lakshmi prayers
Sanku Pushpam or Conch flower – Lord Ganesha
Sev arali – Lord Subramaniya worship
Tamal or Himalayan Garcina – Lord Rama, Baby Krishna
Thazhampoo or ketaki – Cursed by Lord Shiva, not used in worship but offered to Goddess Lakshmi.
Thumba poo – avoided in Lakshmi puja
Vakul or Maulasari – Sri Krishna
White Lotus – Goddess Saraswati
Yuthika or jasmine – Sri Krishna
Source:mahesh
Arka flower – Milkweed flower used in all prayers
Ashok – Associated with Sita
Atasi or flax – Sri Krihna’s complexion
Bandhook or Midday flower – Sun God
Banyan flower – Lord Siva prayers
Bilva flower – Lord Siva prayers
Blue butterfly pea flower – Goddess Durga
Chameli flowers – offered to Lord Hanuman
Champaka – Sri Krishna, Lord Kamadeva, Goddess Lalitambika
Champaka (yellow) – Goddess Saraswati
Dhatura flowers – Lord Shiva worship
Erukkan flower – used in all prayers
Fragrant Screw Pine – Lakshmi puja
Hibiscus – Goddess Durga and Kali
Indian coral red: -Used in the worship of Visnu and Siva Japa
kusum – Sun God, Surya worship
Jasmine – Used in all Deity worship and Durga Puja
Kadamba – Associated with Lord Krishna and Goddess Durga
Kovidar or purple orchid – Symbol in Bharata’s flag Krishna
Kamal flowers – offered to Sri Krishna
Kumud or white water lily – divine flower
Kund or Star jasmine – known for whitensssLotus – Goddesses, especially Lakshmi
Madhavi Lata – Associated with Vrindavan
Malati – Well known for fragrance
Marigold flowers – Lord Ganesha worship
Mandarai or Purple orchids – Lord Shiva
Milkweed flower – Lord Ganesha
Mogra flowers – Lord Vishnu prayers
Mullai flower – Lord Dakshinamurthy
Nandhyavattai – Lord Krishna worship
Neel Kamal – Goddess Durga worship
Parijat – Brought to earth by Lord Krishna
Patal or paral – adorns the hair of Goddesses
Pomegranate flowers – Lord Ganesha
Punnag – Lord Vishnu worship
Tajnigandha flowers – offered to Lord Shiva
Tulsi flowers – Vishnu and Krishna worship
Red coloured flowers – Lord Ganesha
Red Jasmine flowers – Goddess Lakshmi prayers
Sanku Pushpam or Conch flower – Lord Ganesha
Sev arali – Lord Subramaniya worship
Tamal or Himalayan Garcina – Lord Rama, Baby Krishna
Thazhampoo or ketaki – Cursed by Lord Shiva, not used in worship but offered to Goddess Lakshmi.
Thumba poo – avoided in Lakshmi puja
Vakul or Maulasari – Sri Krishna
White Lotus – Goddess Saraswati
Yuthika or jasmine – Sri Krishna
Source:mahesh