When does the "life-prolonging chrysanthemum" daisy bloom? When is the best time to sow?

Daisy, also known as horsehead orchid, longevity chrysanthemum, spring chrysanthemum, sunflower and so on. Is a kind of Compositae, perennial herb. It is about 10 centimeters high. So when do daisies blossom? When is the best time to sow seeds?

Under the natural conditions in many parts of China, daisies can blossom at the beginning of March every year. In areas with warmer climate, the flowering time may be advanced appropriately, and the specific time varies slightly according to the cultivation environment.

When is the best time to sow daisies?

Daisies are biennial herbs, about 10 to 15 centimeters high. Leaves basal, spatulate, apex obtuse, base attenuate into stalk. Inflorescences solitary, scape hairy. Ligulate flowers striate, female, spreading; tubular flowers bisexual. Achenes Obovate, flattened, with marginal veins, finely hairy, without crown hairs. Daisies have cold-resistant ecological habits and like sunny and cool climates. Not resistant to shade, high temperature and severe frost. It is easy to die if it blossoms poorly under hot conditions. Generally speaking, the sowing time of daisies is from August to September.

The planting method of daisies:

The main results are as follows: 1. The stage of raising seedlings in acupoint tray:

The stage of radicle germination begins from the radicle piercing the seed coat, the young root touches the soil, and the cotyledons grow. The temperature should be kept at 18 ℃. Seed germination has good light property, so there is no need to cover the soil when sowing, but it is necessary to keep the cultivation medium moist and do not dry the medium at this stage. At this stage, the pH value is maintained between 5.5 and 6.2, and the relative humidity is 100%. Avoid direct sunlight and shade the seeds after sowing.

2. Cotyledon appearance and growth stage:

The second stage is from cotyledons to true leaves. The temperature remains at 18 ℃. Properly reduce the humidity of the cultivation medium, but still not too dry, the humidity is about 70% to 80%, can make the root system into the medium to absorb nutrients for the extension of cotyledons. The first and second stages will take 14 to 21 days.

3. True leaf growth and development stage:

From the beginning of the growth of true leaves, 80% of the seedlings can be sold for the third stage. The temperature dropped to about 15 ℃. The air humidity also needs to be gradually reduced, and the substrate can have a dry-through process between the two watering, thus forming a dry-wet cycle, which is conducive to promoting root development.

4. Seedling refining stage:

At this stage, the root system has been formed intact, the seedlings can basically be sold, and become hardy by refining seedlings, this stage lasts about 7 days.

Main value

Medicinal value

Daisies, also known as dried chrysanthemum and white chrysanthemum, have high medicinal value. It also has volatile oils, amino acids and a variety of trace elements. Among them, the content of brass is 32% to 61% higher than that of other chrysanthemums, and the content of tin is eight to 50 times higher than other chrysanthemums.

Zhang Lixiang, an agronomist, wrote in his book the Book of tonifying Agriculture: "White chrysanthemum is sweet and warm, and it is most beneficial to take it for a long time. Plant one or two plants in each place, take its flowers, you can reduce the tea by half, tea bitter cold and bitter chrysanthemum soak together.

Ornamental value

The leaves of daisies are spoon-shaped, rosette-shaped, dense, short and emerald in color. Extract scape from leaves, scape one flower, staggered arrangement, simple appearance, petite and exquisite flowers, harmonious color. Extract scape from leaves, scape one flower, staggered arrangement, simple appearance, petite and exquisite flowers, harmonious color. Blooming in early spring, full of vitality, with the demeanor of a gentleman and naive elegant demeanor, [7]

Horticultural value

1. Daisies have strong growth potential and are easy to cultivate.

2. Daisy pedicels are of moderate height, neat flowers, bright and pure colors, which can be used as potted plants to beautify the courtyard balcony, and can also be used as garden ornamental, potted plants, flower borders, cut flowers and so on.

3. It is the first choice of ground cover flowers in early spring because of its long flowering period and strong cold tolerance.

4. Daisies, as ground cover flowers in street green space, have strong charm and can be planted with calendula, pansy, rhododendron, red leaf Berberis and so on.

Time: 2019-03-21 Click: