Zinnias are annuals, shrubs, and sub-shrubs native primarily to North America, with a few species in South America. Most species have upright stems but some have a lax habit with spreading stems that mound over the surface of the ground. They typically range in height from 10 to 100 cm tall leaves are opposite and usually stalkless (sessile), with a shape ranging from linear to ovate, and pale to middle green in color. The flowers have a range of appearances, from a single row of petals, to a dome shape, with the colors white, chartreuse, yellow, orange, red, purple, and lilac.
Note: Germinating the seed is one of the most difficult parts of the garden nursery. Before the seeds are supplied, they are put through a series of germination, Vigour, etc. In general, the success of any crop depends on different factors like medium preparation, Temperature of soil, Depth of sowing, Nursery management and following specific cultural practices.
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