Dahlia (scientific name: Dahlia pinnata), also known as dahlia, geranium peony, passionflower, etc., belongs to the perennial herbaceous plant of the genus Dahlia in the Asteraceae family, native to Mexico and Central America, and has been widely introduced to all parts of the world, especially in temperate regions as ornamental flowers are widely loved. Dahlias are known for their large flower diameters, rich flower colors, diverse flower types, and long flowering periods.
The height of the dahlia plant varies from a few tens of centimeters to two meters, depending on the variety. Its leaves are heart-shaped or ovate, with a smooth leaf surface and clear veins. The flowers are large and complex, with a variety of flower types such as single petals, semi-double petals and double petals, and the flower colors cover red, pink, yellow, orange, purple, white and a variety of mixed colors, etc., which can be said to be colorful and highly ornamental. Dahlias have a long flowering period that can last from summer to late fall, and some can even bloom in an annual year.
The main types of dahlias and their introduction.
1.Small dahlias (dwarf dahlias): The plants are dwarf, 30-60 cm in height, and the flowers are small but numerous, suitable for potted ornamentation and flower bed arrangement.
2.Medium-sized dahlias: plant height of about 60-120 cm, flower diameter of 10-15 cm, flower type and flower color rich, suitable for flower bed planting and cut flowers.
3.Large-flowered dahlias: This type of variety has the largest flowers, up to 25 cm in diameter, full flower shape, and bright flower color, and is the most eye-catching variety of dahlias, such as the "Emperor" and "Queen" series.
4.Single dahlias: The petals are few layers, arranged in a radial shape, and the flower type is simple and generous, such as "Kiss of the Sun" and other varieties.
5.Semi-double dahlias: There are many layers of petals, and stamens can be seen in the center, such as "candy party" and other varieties.
6.Double dahlias: The petals are densely layered, the stamens are almost invisible, and the flower type is plump and gorgeous, such as "black swan", "velvet pillow" and other varieties.
7.Novelty dahlias: These include twisted petals, wavy petal edges, and feathery protrusions on the petal edges, such as "spider flowers", "fountain flowers", etc.
Dahlias are beloved ornamental plants around the world due to their abundant variety and excellent ornamental properties. From mini to large, from single to double, dahlias come in a wide variety of flower shapes and colors to meet a variety of horticultural design and decoration needs. Whether in landscaping, flower bed decoration, home gardening and flower arrangement, dahlias play a pivotal role with their extraordinary beauty and unique charm. At the same time, dahlias are relatively easy to grow and propagate, bringing a wealth of fun and a sense of accomplishment to gardening enthusiasts.