There are more than one hundred kinds of roses now, including red, black, yellow, white, pink, light green, orange, purple, blue, orange, etc. So it's hard to say how many colors there are. Generally speaking, there are five types: red, yellow, white, black, and blue. Most other roses are new varieties of roses developed by improving several common roses. Very rare, or very expensive, hmm~ It should be dark red to black, because the darker the rose, the harder it is to grow, and the higher the price~ Especially the black rose. Here are some super rare rose varieties, you can take a look , for reference. 1. Louis XIV: French descent, born in 1859. Deep purple, with approximately 15 to 20 petals. It is named after the "Sun King" Louis XIV and symbolizes dignity. 2. Coffee: Produced in Germany, cultivated and born in 1956. It is named after its dark brown color, like coffee, and its rich aroma. 3. All in one voice: Japan, trained and born in 2003. There are about 20 golden petals. Color from light to dark 4. Juliet: of British descent, born in England in 1976. The light brown petals are mixed with golden red, and the transition of colors is like a classical oil painting. It is very popular in Japan at the moment. 5.Aboutface: Produced in the United States, cultivated and born in 2005. The inside of the petals is golden, and the outside gradually turns to rose color. There are about 30 petals and the flower is very big. In 2005, it won the AARS American Rose Award. 6. He: Originated in Japan, cultivated and born in 2004. The pistils are pale yellow and creamy, and bloom all year round. This is the latest superior variety. 7. Flame: Originated in Japan, cultivated and born in 2004. White background with red edges, strong vitality, easy for beginners to cultivate. 8. Momo Xiang: Japanese descent, raised and born in 2003. Rose is almost the same color as peach blossom, especially pink and tender. The flowers are large, shaped like ripe peaches, hence the name, and have a rich aroma. 9. Green light: Japan, trained and born in 1991. A green rose variety with a soft mix of light green and white. Wei Xiang, formerly known as "Chidori", won the Gold Medal of the International Rose Society in 1989. 10. Neptune, produced in the United States, cultivated and born in 2004. Sweet smell, light golden red color. There are more than 30 petals. 11. Ondina, Japanese, born in 1986. A sweet-scented, blue-purple rose variety grafted with lavender. There are 10 to 15 petals. Because of its light blue-purple color, it is also called the "Blue Enchantress" in Japan. In 1995, he won the "Flower Show Rising Star Award" from the Japan Horticultural Culture Association. 12. Izu Dancer: Japan, born in 2001. Bright yellow, with more than 40 petals, the flowering period is from spring to autumn. Named to commemorate the friendship between Paris and Izu. In French it's called "Carted" or.