The Echinopsis represents a genus that is one of the biggest with 128 species. The genus is home to plants species of different sizes. There are large-sized plant species and small-sized species too. What is common in all of these plants is the beautiful flowers present in each. The giant flowers (4-6 inches in size) are often multicolored with a beautiful blend. The colors and types of flowers can vary from the original Echinopsis thanks to the extensive hybridizing done on the plants. Did you know that unlike most cacti that produce a single flush of flowers annually, Echinopsis plants produce blooms of flowers as long as the temperatures during the day hit 21-degree Celsius