There are many varieties of violets in horticulture, including single leaf and double leaf. The double strain has high ornamental value, the single strain can breed, but the double strain can't. In general, flat seed plants can produce a large number of double petal flowers, while full and full seed plants can produce single petal flowers. There are pink, crimson, light purple, deep purple, pure white, light yellow, fresh yellow, blue purple and so on. In production, white flower, pink flower and purple flower are generally used to produce cut flowers.
The main cultivated varieties of violet are white "IDA", light yellow "Carmen", red "Francesca", purple "Abella" and light purple "inkana".
According to the plant height, violets can be divided into three types: high, medium and low, all of which can be potted; medium and low varieties are used in flower bed, usually 30-40 cm in plant height; high varieties are used in flower cutting, usually 60-90 cm in plant height.
Violet can be divided into summer violet, autumn violet and winter violet according to different florescence, and can be divided into annual and biennial types according to different cultivation habits. The flowers of violet have single or double petals. They are colorful and fragrant. The florescence of violets varies with varieties, which can be divided into the following three types:
Spring violet. The flowering period is from April to May.
violet summer. The flowering period is from June to August, which can be divided into three types: short, medium and high. The growth period is 100-150 days, which is a typical annual flower.
Autumn violet. The flowering period is from July to September. The plant is intermediate type.
