Cosmos Qiu Ying

Scientific name: Cosmosbiginnatus

Alias: Qiu Ying, cosmos, broom plum

Origin: native to Mexico

Growth characteristics:

Hi warm and sunny, good weather, cold, afraid of half-negative and high temperature, resistant to soil, avoid water, need to loose fertile and well-drained loam.

Strict requirements on the soil, resistant to earth, but not water, in the well-drained, moist, soil with a certain fertility can grow better, but in the fertile soil instead of poor growth, branches and leaves lengthy, resulting in poor flowering.

Morphological characteristics:

It is an annual herbal flower of Compositae with a plant height of 1-2m. The stems are upright, with grooves and branches. The plant height varies from species to species, ranging from 50 to 100 cm. Leaves opposite, 2 pinnately lobed, lobes sparse, linear. Inflorescences terminal or axillary, bracts green, lanceolate, rayose top 3-lobed, flower color, white, pink, purple, etc., flowering from June to October, after flowering, achene smooth, Awkward.

Often sow breeding. Spring sowing in April, germinating quickly, germinating 7-10 days after sowing. Twig cuttings can also be used for propagation, and rooting is done 15-18 days after insertion.

The stems of cosmos stems are fine and easy to be laid down. Households can be planted with scaffolds, or they can be picked up several times at the end of spring to encourage their branches to grow more densely, inhibit growth height, and maintain a beautiful plant type. During the growing season, fertilizer and water should be controlled, and keeping the soil moist can make the flowers dense.

When the temperature exceeds 33 °C, the plants will often stop growing and go to sleep. After the flowers are cooked, the cosmos plants die and the seeds are sowed automatically and continue their lives. It is also possible to pick seeds when they are ripe and to sow seedlings in late March. They can flower after 2 months.

application:

Cosmos is tall, elegant in shape, rich in color, red, white, pink and purple. It is suitable for arranging mirrors. It is planted on the edge of the grass, surrounded by trees and on the roadside.

Double-flowered varieties can be used as cutting materials.

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