Gladiolus flowers are symbols of faithfulness and being honest in all occasions. This flower is the perfect one to gift to your partner if you want to show him or her you are ready to commit and show true faithfulness. Gladiolus can be an ideal Valentine’s Day gift for your loved one, especially if he or she understands the secret meaning behind this beautiful flower. The yellow Gladiolus flower symbolizes cheerfulness and compassion. This is the perfect flower to gift to someone you want to make happy or to someone who needs consolation at this moment.