Growing Dahlias::- The propagation of Dahlia plants are done by seeds, tuberous roots, and cuttings. Grafting can also be carried out for multiplication Buy Dahlia Plants: 6 products online at Nurserylive. Get 1 Free Product Today 6000+ Gardening Products All India Delivery. Dahlia Plants Collection Dahlia plants are a stunning addition to any garden, known for their vibrant colors and unique flower shapes. With a variety of sizes ... Short Answer Dahlia is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico. They are noted for their large, brightly-colored flower heads. Dahlias come in a wide range of colors, including white, yellow, orange, pink, red, and purple. They are popular garden plants and are also used as cut flowers . Origin and History of Dahlia Flowers The dahlia flower is a genus of perennial plants native to Mexico, Central America, and Colombia. It is believed to have first been ... These flowers grow best in full sunlight with well-drained soil. Because this species of flower is toxic to both dogs and cats, it's best to plant dahlias away from areas that pets can access. 1. Plant dahlia tubers outdoors in the early spring, after the last frost and once the soil has warmed.