Flowers sometimes speak more than words. At times, you'll want to give flowers that tell how you feel or tell her about qualities you see in her. If you want to tell someone that you admire her strength, you have many flowers to choose from.
Gladiolus is known as a flower that is symbolic of strength. The word gladiolus comes from the Latin word gladius, which means sword, and the leaves of the gladiolus are shaped like swords. Gladius is also the root for the word gladiator.
People often think of red flowers as symbolizing romantic love, but red can also mean strength. Giving a bouquet of bright red flowers can encourage strength of character or healing in a difficult situation.
The cactus is a hardy plant that symbolizes endurance and strength. Cacti live in areas that are inhospitable and extremely arid, yet the cactus not only survives, it will bloom and produce beautiful flowers. A cactus tells the person you care about that no matter how difficult life is, you believe in her power to blossom.
Nasturtiums are a hardy plant yielding vibrant colored flowers. These flowers are edible and have a lightly peppery taste. The nasturtium is thought to represent strength and patriotism. This flower is high in vitamin C, and is used to treat coughs, colds, and can be used as a poultice for cuts and scrapes.
While not usually thought of for their flowers, many palms do produce them. The palm means strength for its size and stability and also for its symbolism in Christianity. Palm fronds meant victory and were used to usher Jesus Christ into Jerusalem. An arrangement of palm leaves can be quite striking alone or with other flowers.