There are some facts about Petunia flowers which are discussed below.

• Shape and color :
Trumpet shaped and green colored plant with low lying and hairy foliage.

• Varieties:
It comprises of different varieties which include hedgiflora, multiflora, milliflora and grandifolora.

• Grandiflora:
Graniflora is the one which comprises of largest petals of about fours inches in diameter. This class is further divided into sub-classes such as merlin blue morn having white and blue flowers, daddy series having flowers of pink or purple shades, supercascade series having flowers of different shades and ultra series having flowers of different vibrant shades. The flowers of ulta series are bi-shaped.

• Hedgiflora:
Hedgiflora or secong category plants are also commonly called as Spreading Petunias. In this category, most of the plants are usually up to six inches which is their maximum height and the area covered by these flowers is usually up to four feet. This category comprises of various popular plants among which opera supreme having large flowers and tidal wave taller in this category than others are most popular.

• Multiflora:
Multiflora is the third category of petunia flowers which are up two inches in diameter. Grandifolra variety usually gets damaged by rain but these are not. Examples of multiflora includes carpet series having flowers of different shades and colors and surfinia series having flowers of pink, purple, white and blue color.

• Milliflora:
Milliflora is the last and fourth category of petunia flowers ranging up to one inch in diameter. These category includes those flowers which can tolerate harsh weather.

Types :- There are different types of Petunia Flowers are present. They are-

• Grandiflora :- These are the largest type of species which has diameter up to four inches. These types of species have widest verities of colors and forms. The four types of Grandiflora are mainly classified according to their colors like ‘Merlin Blue Morn’ which are white and blue in color, ‘Daddy Series’ which are mainly of purple and pink color, ‘Ultra Series’ which have different colors including bi-colors and ‘Super cascade Series’ which have many colors.
• Hedgiflora :- These are mainly spreading putenias which are also called as ground-cover. These species is mainly specified by low height. One of the examples of this type of petunia is ‘Tidal Wave’.
• Multiflora :- These are compared with the type Grandiflora but this has diameter less than two inches of Grandiflora. But these are not damaged by heavy rainfall. This type of Petunia include ‘ Surfinia Series’ which have purple, blue white and pink colors, ‘ Wave Series ‘ which are of coral, pink and purple color and ‘ Carpet Series ‘ which are of different colors.
• Milliflora :- These are smallest species which have one inch in diameter. This type of species include ‘ Supertinia Mini Series ‘ which are of lilac, blue, purple, pink and white color and ‘ Fantasy Series ‘ which have purple, pink and red color. This type of species has much more tolerance than other species.

These type of flowers need 10 to 12 weeks for full growth. They are mainly growing in areas which are not dry as well as not very wet.

There is a large variety of petunia flowers in the market. Although the most known of all is the multiflora, characterized by having a large open bell, there are now more modern hybrids that magnify the funnel-shaped flowers.. This is the case of the grandiflora, the colorful and rare double-double multiflora or grandiflora.

Growing Petunia flowers
The petunias are plants that are very easy to grow, require very little care and the end result is quite satisfactory. Usually the only care is to place them in direct sunlight, and then the plant will grow rapidly, especially in spring and summer. Also, a good drainage must be ensured, since without it, the plant may have growing problems and of putrefaction of the roots.

For planting, the best substrate for this type of plant is a combination of equal parts of compost and soil, enriched one part in ten with perlite and a little bone meal.

Another precaution to take into account with the petunias is to protect them from the wind and rain, not having them in a place too exposed to the weather. In case this can’t be avoided, the best variety to choose is the multiflora, more resistant than the others.

Watering the plants
The petunias are not plants that require a specific irrigation, although it is always desirable to take into account the basic rules of sound irrigation. That is, never water over the flowers, since these tend to fade and will last much less than if the watering is done by dripping or directly done to the substrate.