+22 Garden Roses Facts References. There are over 300 species of roses and thousands of cultivars (hybrids) that have been developed by horticulturists. They are one of the most popular and widely cultivated groups of flowering plants, especially in temperate climates.
This classification system is based on their existence in the wild, as with species roses, or their date of introduction. Many people mistakenly believe garden roses are simply roses that are grown in a garden. Roses are truly nature’s artwork.
