How do you raise a thousand red, thousand red breeding methods?

What is thousand-day red? Thousand-day red, also known as thousand-year red, fireball, red ball, is a kind of herbal flower, thousand-day red blooming season is summer, flowers bloom in small branches, dense into a round ball, the colors are purple, pink and white, and the flowering period is from July to September. This plant has a long ornamental period, so it is very popular. How to raise it? What are the breeding methods of millennium red?

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