Matsya Purana 57.17

57.17

kadambanīlotpalaketakāni jātīsarojaṃ śatapatrikā ca.
amlānakubjānyatha sinduvāraṃ puṣpaṃ punarnārada! mallikāyāḥ..
śubhrañca viṣṇoḥ karavīrapuṣpaṃ śrīcampakaṃ candramasaḥ pradeyam.. 57.16 ..

Then he should worship the Moon and Viṣṇu with Kadamba, blue-lotus, Ketaki, jasmine, lotus, sevatî, kuvaja, white kannair and champaka.—16. Hari should be worshiped with all the various kinds of flowers that bloom in various months, from the beginning of the month of Śrâvaṇa.—17.