[1] Most of the petunias sold for cultivation in home gardens are this type and belong to this nothospecies.

[3] P. axillaris bears night-fragrant, buff-white blossoms with long, thin tubes and somewhat flattened openings.

Petunias may readily be cultivated in tubs, window boxes, hanging baskets and other containers.

Of all the petunias, these have the widest variety of forms and colours but are the most likely to be damaged by heavy rain.

'Purple Wave' was the first introduced cultivar of spreading petunia and grows to a height of 4 inches (100 mm).

'Supertunia Mini Series' (blue, pink, lilac, purple and white) are also available in the milliflora category.

The following cultivars have won the Royal Horticultural Society's Award of Garden Merit: