What are the seed planting methods of weak rattan shrubs? Why do they bloom at night? What are the characteristics?

Night incense weak rattan shrub, alias night fragrance, night orchid, clove, Qianli incense, originated in South China, is now cultivated in all provinces and regions in South China. So do you know the planting methods of evening primrose seeds? Why do they bloom at night? What are the characteristics?

First, the seed planting method of evening primrose

Sowing time: sowing in both spring and autumn in warm areas

Seedling bed finishing: before sowing, the seedling bed should be leveled and raked fine, and then a small amount of calcium superphosphate should be applied to promote the seedling root system to be strong. Then pour water on the seedbed, keep it moist all the time, and wait for the moisture to seep into the seedbed before sowing.

Sowing method: sow seeds after finishing the seedbed, do not cover the soil too thick, just cover the seeds is the most appropriate

Keep moisture: spread a layer of straw evenly on the seedbed after sowing to reduce water evaporation. And always pay attention to the moisture of the soil. If the soil is found to be dry, you can pour water directly on the straw.

Keep the temperature: the temperature of raising seedlings should be kept at 15: 25 ℃. Generally, the seeds can grow seedlings in about a week.

Timing of potting: when the seedlings grow 2-3 true leaves, separate seedlings and transplant once to achieve the effect of strong seedlings, and then plant them in the pot when they have 6-7 true leaves.

Pot method: because it is a seedling, it should be transferred to the pot immediately after rising the seedling, and be careful not to damage the root system when planting, and cultivate the soil while watering, and then plant all the roots into the soil, do not expose part of the rhizome.

Why does evening primrose blossom at night

Why does evening primrose blossom at night? in fact, it has something to do with its origin.

Nocturnal incense is originally grown in the subtropics. According to its growth habits, nocturnal incense needs flying insects to help pollinate. But in the subtropics, the temperature is very high during the day, flying insects are rarely active and come out at night to look for food. In order to pollinate better, nocturnal incense will blossom at night and emit fragrance to attract flying insects. After a long period of reproduction, night incense developed the habit of blooming at night.

Nocturnal incense usually blossoms at 10 o'clock at 8: 00 in the evening when the temperature is very suitable.

What are the characteristics of evening primrose

Night incense, alias night orchid, night fragrance suitable for planting in the courtyard and potted, its flowers can be appreciated, but also fragrant. At the same time, it is a semi-wild vegetable eaten with fresh flowers and buds. It can clear the liver and clear the eye. it can treat eye swelling and pain, measles, corneal nebula and so on. Nocturnal incense has more developed roots and more lateral roots. Stem trailing, without tendrils, leaves simple, opposite, long ovoid to broadly ovate, green. Cymes with yellowish green flowers. The fruit is a pod, lanceolate cylindrical, apically acuminate. Seeds broadly ovate, apical with white silky seed hairs. Nocturnal incense grows mostly in woodland or bushes. Like warm, moist, sunny, well-ventilated, loose and fertile soil, drought and barren, not waterlogging, not cold-resistant, stop growing after defoliation in winter; branch and long leaves after spring, with axillary buds or flower buds in each node, lateral branches and inflorescences continue to occur with growth, generally blossom in May-October, and smell fragrant when flowering, more fragrant at night. Bear fruit in winter.

Time: 2019-03-17 Click: