The harmony of 19 is permanent and still, so 19 roses represent permanent love and still love you alone, which is very suitable for giving to lovers, can promote the feelings of both sides and increase the sweetness. Or you can give it to the lost lover so that he can understand what you mean and let you have him again. In addition, it also represents the extreme love, because in the odd number, 9 is the largest, 19 can only express the hot love.
In our daily life, we usually use roses to express love. Different flower numbers express different meanings. For example, one represents that you are my only one, which is suitable for expressing love. It means that there are only me and you in the world, 3 for me to love you, 9 for long-term, 11 for only one love you in my life, which is the most commonly used number. If the economy allows, you can send 99 for eternity, 100 for a long-term marriage, usually used in a proposal or wedding