Flowers For Engagement Proposal Weddings & Engagements03 SHARE Many factors need to be considered before choosing a flower for an engagement proposal. Knowing the symbolism and implications of each flower and its color will help you choose the perfect bouquet for your girl.. READ MORE POST TAGS: engagement proposalexquisite flower petalsred roses symbolize immortal lovered roses symbolize immortal love and passionate loveThe best flowers to give to girls for engagementWeddings and Engagements