How to raise Lanhuadan Culture methods and matters needing attention

Blue flower Dan, also known as blue snowflake, is a very beautiful flower plant with high ornamental value. In the middle of summer, light blue flowers are dotted among the green branches and leaves, giving people a cool feeling and are sought after by many flower lovers. Lanhuadan's maintenance method is very easy, if maintained properly, Lanhuadan is very easy to burst.

How to raise Lanhuadan

1. Blue snowflakes are propagated by sowing, cutting or ramet propagation, and the cutting method is mostly carried out at the beginning of summer. The temperature is 20-25 degrees, and it will take root in about a month. When planting, the potted soil should not pass through the seedling soil, a small amount of fertilizer should be added to the newly cultivated soil, and the thin all-element compound fertilizer should be applied once a week after planting.

2. When watering blue snowflakes, we should pay attention to not drying, watering thoroughly, and keep the surface of basin soil dry in daily maintenance. Pay attention to the pH value of water to prevent soil salinization.

3. Blue snowflakes do not need light to reproduce, and reasonable light will be given after stable growth. Replenishing light in time after germination can accelerate the growth rate of blue snowflakes. In order to make the blue snowflake more branched, more civilized and rich in plant type, two or three coring is needed in the process of seedling formation, which can also delay the flowering period by about two weeks.

Culture methods and matters needing attention of Lanhuadan

I. Culture methods of Lanhuadan

1. Temperature

Lanhuadan likes a warm and sunny environment and is not resistant to cold. The suitable temperature for growth is between 17 ℃ and 25 ℃, no more than 35 ℃ in summer and more than 7 ℃ in winter.

2. Lighting

Lanhuadan likes sunshine, is more shady, and should be fully exposed to sunlight every day. But do not be exposed to strong light in summer, pay attention to a little shade, and ensure sufficient light in winter.

3. Watering

Lanhuadan should be heavily watered when it is growing vigorously, and when the temperature is high, the air humidity should be ensured and water should be sprayed to the plant. Large water demand in summer, can be watered every day, replenish water in time, watering thoroughly, reduce watering in winter, or even cut off water.

4. Fertilization

Lanhuadan needs a lot of fertilizer during its growth period, and it can be fertilized once a week in spring and summer. It is better to use liquid fertilizer, and you can also spray some flower fertilizer in the bud stage to make the flowers gorgeous and prolong the florescence.

5. Soil

Lanhuadan should change the basin in spring and choose sandy soil with smooth drainage. Take out the plant, do proper pruning, and then pot it with fresh soil.

Matters needing attention in aquaculture

1. Diseases and insect pests

Lanhuadan is vulnerable to root-knot nematodes and shell worms. It can be sprayed with 80% dibromochloropropane EC diluent or 1000 times imidophos EC.

2. Pruning

Lanhuadan will prune the branches in the spring and cut off the thin branches, and the new branches from the old stems will soon blossom. Cut off the old branches of more than 3-year-old plants and cut off the residual flowers after flowering.

How to pollinate Lanhuadan

1. Lanhuadan has two kinds of flowers: male flowers and female flowers. The top of the female style is like an open umbrella, as if always ready for pollination. The male flower has five filaments in the middle and anthers at the top.

2. First of all, the best time to pollinate Lanhuadan is around 8 o'clock in the morning, depending on the situation. It can be earlier when the temperature is too high and later when the temperature is too low.

3. Next, you need to prepare several cotton swabs and use the cotton swabs to glue the pollen from the male parent to the female parent style. Even after the successful pollination, the green part of the flower will not fall, and when it is ripe, it will be the flower seed.

The difference between Lanhuadan and Baihuadan

1. Different designs and colors

This is the most intuitive difference between Lanhuadan and Baihuadan. From the name, we can see that Lanhuadan is generally light blue, very fresh and elegant, while Baihuadan is pure white.

2. Different florescence

The flowering periods of these two kinds of flowers do not overlap. The florescence of Baihuadan is in November, while that of Lanhuadan is in January and April-July. However, because of its long flowering period, its first flower sometimes catches up with the last flower of Baihuadan.

3. Different uses

Baihuadan is a commonly used traditional Chinese medicine with a wide range of uses. it can be used for fall injury, rheumatism, tinea scabies, insect and snake bites, etc., and it also has a certain effect on killing larvae and maggots. The flower color of Lanhuadan is unique, its ornamental value is high, and it has a long flowering period, so it is often used as a horticultural ornamental.

Are you moved to see such a beautiful blue flower Dan? Lanhuadan is strong in nature, and the breeding method is relatively easy, but many flower friends know that Lanhuadan is a plant that is not very hardy, so it is most important to maintain the temperature in winter. Generally, it needs to be kept at 5-10 degrees to make it safe through the winter.