Seed Needs, Black Hollyhock (Alcea rosea) 300 Seeds Quality Hollyhock seeds packaged by Seed Needs. Intended for the current and the following growing season. Packets are 3.25" wide by 4.50" tall and come with a full colored illustration on the front side, as well as detailed sowing instructions on the reverse. Black Hollyhock is a gorgeous, deep mahogany colored flower which blooms through the summer months. The plants stand to a towering height of roughly 60 inches tall, displaying several, almost black blooms along it's erect stems. A perfect choice for cottage gardens, the Black Hollyhock can be seen on farms and in many home gardens. It is popularly used as a backdrop plant and can be planted along fences as well. For a gorgeous contrast, try planting Black Hollyhock in front of a white fence, or along the perimeter of your white house. Grown as a biennial flowering plant, Black Hollyhock will grow quickly, establishing a deep root system. The plants will then wilt on the surface due to the freezing temperatures of winter, later returning the following spring. Biennials such as this are known to flower the second year. You can however achieve blooms in the first growing season, if the plants are started early enough. All Hollyhock seeds sold by Seed Needs are Non-GMO based seed products and are intended for the current & the following growing season. All seeds are produced from open pollinated plants, stored in a temperature controlled facility and constantly moved out due to popularity.