When do dahlias bloom?

Dahlia, also known as dahlia, marble, oriental chrysanthemum, passionflower, sweet potato, etc., is a perennial herb of Compositae. It is native to Mexico. Mexicans regard it as a generous and rich symbol, so they regard it as the national flower. It is now planted in most countries in the world and is called one of the world's famous flowers. Let's take a look at when the dahlia will bloom.

When will dahlia blossom?

The outdoor flowering period of Dahlia is from May to June and from September to November, and it is dormant and does not blossom in summer, and it blooms from February to June in spring in southern China. Dahlia is popular for its long florescence, blooming continuously from autumn to spring, each flower can last for one month, and the flowering period lasts for half a year.

What colors are the Dahlia chrysanthemums?

The flower color of Dahlia has seven color systems of red, purple, white, yellow, orange, ink and complex color, the flower has single and double, the opening time of single flower is shorter, and the opening time of double flower is longer. Flower characteristics and petal shape changes are the main basis for variety identification. There are ball type, chrysanthemum type, peony type, decorative type, dish type, plate type, hydrangea type and peony type and other flower types, which are famous for their beautiful colors and beautiful flowers.

The reason why dahlia does not bloom

1. Improper maintenance: sunlight, watering, temperature and other factors may cause poor growth of Dahlia. Insufficient sunlight or too much watering will cause the plant to grow excessively, with only leaves but no blossoms. Excessive fertilization or wet pot soil will cause dyspnea in the root of the plant, and root rot will also affect flowering.

2. Disease and insect infection: during the flowering period of Dahlia, that is, when the flower bud is differentiated, if the flower bud is disturbed by diseases and insect pests, it is difficult to differentiate the flower bud.

What if dahlia doesn't blossom?

1. Light: sufficient light is the key to planting dahlia. lack of light will cause branches to grow too long and thin, and can not blossom or bloom less because of the lack of nutrients in the plant.

2. Fertilization: adequate basal fertilizer must be applied before planting or before plant germination. If the base fertilizer is insufficient, the times of topdressing can be increased appropriately.

3. Anti-freezing: if in relatively cold areas, the ground needs to be covered with some withered grass after winter, or the roots of Dahlia should be dug out to dry and stored indoors, and then potted or planted on the ground before and after the Qingming Festival in the second year.