I love roses. There are so many kinds. Over a hundred different roses.
What is the most popular variety of rose?
Garden roses
Garden roses are predominantly hybrid roses that are grown as ornamental plants in private or public gardens. They are one of the most popular and widely cultivated groups of flowering plants, especially in temperate climates. Numerous cultivars have been produced, especially over the last two centuries, though roses have been known in the garden for millennia beforehand. While most garden roses are grown for their flowers, some are also valued for other reasons, such as having ornamental fruit, providing ground cover, or for hedging.
History
the Language of Flowers.
In the "Language of Flowers", while with many kinds of roses, there are many different meanings, "black" roses symbolize meanings including hatred, death, and despair. 
Symbolism within Politics.
Symbolism within Politics Anarchism.
"Black Rose Books" is the name of the Montreal anarchist publisher and small press imprint headed by the libertarian-municipalist/anarchist Dimitrios Roussopoulos. One of the two anarchist bookshops in Sydney is Black Rose Books which has existed in various guises since 1982