When will the latest dahlia bloom?

Dahlia, also known as dahlia, Dali flower, Oriental chrysanthemum, passion flower, sweet potato flower, etc., is a perennial herb belonging to the genus Dahlia of Compositae, native to Mexico. Mexicans regard it as a symbol of generosity and richness, so they respect it as the national flower. Now most countries in the world have cultivated it and are called one of the world famous flowers. Let's take a look at when Dahlia blooms!

When do dahlias bloom?

Dahlia flowers in May ~ June and September ~ November, and dormancy does not bloom in summer, blooming in February ~ June in spring in southern China. Dahlia is popular for its long flowering period, which lasts for half a year from autumn to spring.

What colors are dahlias?

Dahlia flower color has red, purple, white, yellow, orange, ink, compound color seven color system, flowers have single and double petals, single flower opening time is shorter, double flower opening time is longer, flower characteristics and petal shape change is the main basis for variety identification, there are ball type, chrysanthemum type, peony type, decorative type, dish type, hydrangea type and peony type flower type variety group, famous for its magnificent color 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 excessive watering will cause plants to grow excessively, only long leaves and no flowers. Too much fertilizer or too wet pot soil will cause poor respiration at the roots of plants, causing root rot will also affect flowering.

2. Disease and insect infestation: In the flowering period of dahlia, that is, flower bud differentiation, if it receives disease and insect infestation, flower bud differentiation is difficult, and it is difficult to bloom.

What if the dahlia doesn't bloom?

1, light: sufficient light is the key to planting dahlia, insufficient light will cause excessive growth and emaciation of branches, due to insufficient nutrients in the plant body, it can not bloom or less flowers.

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

3. Freezing: If it is in a relatively cold area, the ground needs to be covered with some withered grass after winter, or the roots of dahlia should be dug out and dried, stored indoors, and potted or planted before and after Qingming in the second year.