Four O’clock, so named because they typically bloom late in the afternoon, are among the most colorful, fragrant, and robust of all flowers that can be grown from seed. They’re very versatile too, as the seeds of the 4 O'clock can be sown directly into the soil or into pots or other containers such as barrels. Blooms in about 70 days. Germination rate about 70% or better. David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.