Gladiolus bulb growth.
The bulbs have to be planted with the bulky part below and the tip above. Consider taking soil of well draining quality as bulbs do not like much standing water. Too much water may kill the bulbs as they become rotten and mushy.When they grow allow the shoots to mature naturally and do not cut out any leaves. This is a process required for flowering and let the leaves dry on the plant itself and then cut off.
Usually gardeners plant them in groups for better show of colour during blooming season.
Gladiolus are available in many colours are known to be one among the exotic plants range. They require full sunlight to grow and bloom. They usually like to be root bound for better flowering. So consider planting them in wide mouthed containers with less height.