Sagittarius is a fire sign and Sagittarians usually are straightforward, optimistic and playful. Those with this sun sign in their horoscope are warm, open and spontaneous. They have a sense of humor and wit. Sagittarius are very social. BIRTH SIGN FLOWER, Capture the Sagittarians multi dimensional personality with carnations an equally multi-dimensional flower. Associated love to fascination, distinction to luck. Carnations aptly reflect this fire signs passionate nature, hunger for adventure, intellect and good fortune. And, as a flower known for its inherently long lasting nature, carnations personify the Sagittarians strength and endurance.