Iris:'Goddess of the rainbow' means, as usually there are kinds of perennial bulbs or seconds bulb. 
The leaf is shaped like a knife.
 Flowers are composed of the three outer petals, three of the inner petals,
 cracked into three-prong style, and a stamen. Colors are commonly the blue light-toned purple
 but there also have yellow and black-toned purple and white.


Gladiolus: height 80-100cm. Flowers will bloom from the bottom to the top sequentilly. 
Flower colors are red ? white ?yellow? purple and so on there are various kinds of flowers.