The brief introduction and culture knowledge of marigold make it bring you spotless spiritual enjoyment.

The poet Xi Murong once said: "what I like is not only that flower, but all the memories that appear at the same time." Because each flower belongs to a different season, each season has a different flower. Now in the middle of summer, it is time for calendula to bloom. Calendula is elegant in color, sparse in branches and leaves, and gives people a kind of elegance without dust in the layered petals. It is precisely because of these characteristics that calendula is loved by the majority of flower lovers. So, how much do you know about the brief introduction and culture methods of calendula? Let's have a look together.

First, the introduction of calendula

Calendula, also known as Calendula, is a plant of the genus Calendula in Compositae. Annual or perennial herbs, which like light and are not strict with the soil, can grow well in dry, loose and fertile alkaline soil, and are often used in flower beds. Calendula is used as medicine or dye in the ancient West, as well as cosmetics or food, and its leaves and petals are edible and decorated with dishes. Originated in southern Europe. It has medicinal value of anti-inflammation, antibacterial, heat-clearing and fire-lowering in the treatment of acne and acne. The flowering period of Calendula is from December to June, and the flowering period is from March to June. Achene, boat-shaped, claw-shaped, ripening May-July. Calendula is a biennial herb with a height of 30~60cm, and the whole plant is covered with white velvet. Simple leaves alternate, elliptic or elliptic-Obovate, entire, basal leaves stipitate, upper leaf base clasping. Calendula head solitary stem apical, large, 4-6cm, ligulate flowers in one whorl, or many whorls spreading, golden or orange, tubular flowers, yellow or brown. There are also cultivated varieties such as double petals (actually multi-layered tongue-shaped flowers), rolled petals and green hearts, dark purple flowers and so on.

II. Cultivation and maintenance of Calendula

Calendula likes sunny environment, strong adaptability, ability to-9 ℃ low temperature, afraid of hot weather. Do not choose soil, loose, fertile, slightly acidic soil is the best, can self-sow, grow fast, more cold-resistant, do not choose soil. Calendula is resistant to barren, dry soil and cool environment, and grows well in sunny and fertile areas. The seedlings were transferred once with 3 true leaves, and were planted in 10-12 rice pots when the seedlings had 5-6 true leaves. 7-10 days after planting, coring promotes branching or spraying the leaf surface with 0.4% solution for a long time twice to control the height of the plant. Fertilize once every semimonthly during the growing period, or use "Huiyou" 20 / 20 / 20 / 20 general fertilizer. There is plenty of fertilizer, and the calendula blossoms more and more. On the contrary, due to the lack of fertilizer, the flowers became significantly smaller and degraded. There is no seed left in the flowering period, and the withered flowers will be cut off, which is beneficial to the flower branch germination, blossom more and prolong the flowering period. To keep the seeds, you should choose the plants with large and colorful flowers and pure varieties, and should collect the seeds in sunny days to prevent falling off. During the growth period of calendula, the soil should be kept moist, 10 times the water of rotten urine should be applied every 15-30 days, and fertilized until the end of February. When Calendula grows to the later stage of seedling and leaves 4-5, peeling (that is, heart-picking) can promote the development of lateral branches, increase the number of flowers, wipe their heads immediately after the first crop of flowers, and also promote lateral branches to bloom again. In addition, the seeds were sown at low temperature, put them in a 0 ℃ refrigerator for 24 hours, sowed in the open field after being taken out, the seedbed should be shaded, germinated in the middle of August, applied thin rotten fecal water once a week, and could blossom in late September.

The flowering period of calendula can be adjusted by changing cultivation measures, which are mainly as follows:

The main results are as follows: 1. After normal flowering in early spring, residual pedicels should be detected in time to promote new branches to blossom; strengthen water and fertilizer management so that they can blossom again in September-October.

2. New soil should be added to the autumn sowing basin in late August.

3. Direct seeding in the courtyard at the end of March or early April. After the seedlings come out, the seedlings are properly interspersed or transplanted, given reasonable fertilizer and water conditions, and can blossom at the beginning of June. Because the development of Calendula needs a long low temperature stage, the growth of spring sowing plants is weaker than that of autumn sowing, and the flowers are smaller.

4. Autumn sowing in the open field in late August, when the lowest temperature rises to 0 ℃, the grass curtain should be removed immediately. At this time, properly watering to keep the soil moist, at the same time, add pancake fertilizer every 15 days or so, so that on May Day, calendula can be in full bloom. In addition, calendula seeds are now placed in a 0 ℃ refrigerator for several days for low temperature treatment, and then sowed in the open field in early August, and can also bloom in late September.

The above is the introduction and cultivation of marigold. Have you been moved? Then raise a pot of calendula as soon as possible.