How to raise the latest potted calla lilies?

The calla lotus, also known as Cigu flower and sea taro, is a sturdy perennial herb of the Araceae, native to northeastern and southern Africa. It is cultivated in Beijing, Jiangsu, Fujian, Taiwan, Sichuan, Yunnan and Qinling, China. It is often used as a bouquet and wreath flowers. It can be used medicinally and has the effect of heat-clearing and detoxification. Let's take a look at how to grow potted calla lilies.

Growth habits of calla lilies

Calla lilies are native to southern Africa and prefer warm, humid and sunny environments, but are not resistant to cold and drought. The suitable temperature for growth is 1525 ℃, and the night temperature is not lower than 13 ℃. If the temperature is higher than 25 ℃ or lower than 5 ℃, it will be forced to dormancy. Like water, the soil should be kept moist during the growing period, and watering should be controlled after the tubers enter the dormant state in summer. The clay loam with fertile soil and good water retention is required, and the pH value is between 6.0 and 6.5.

Propagation methods of calla lilies

1. Ramet: when the old leaves withered gradually after flowering from May to June, and when new leaves grew or changed pots in the middle of September, the small tubers around the mother plant were peeled off and put on the pot by stages. It usually blossoms 3 months after planting.

2. Sowing: indoor pot sowing is the main method, and the optimum temperature for germination is 18-24 ℃. After 15-20 days of sowing, the seedlings need to be cultivated for 3-4 years before they can blossom.

How to raise potted calla lilies?

1. Soil: the cultivation basin soil of calla lily is suitable to choose sandy acid soil with good ventilation and drainage. The bottom of the basin soil had better be covered with a layer of coarse sand to facilitate the growth of calla lilies, coupled with 1/3 of the garden soil and rotten leaves. And add a small amount of organic fertilizer. It is best to choose shallow pots for planting calla lilies.

2. Temperature: calla lilies prefer a semi-overcast environment and avoid being placed in strong light. The optimum temperature for calla lily growth is 22-30 degrees. When the temperature is below 20 degrees, the growth rate of horseshoes will slow down. It may even stop growing. Calla lilies like a warm, humid environment, so pay special attention to keeping calla lilies warm during the winter.

3. Watering: calla lily watering needs to be watered according to the drying condition of the basin soil. Take a look at the soil before watering. Usually, you can spray water on the surface of the basin soil and flowers to keep the basin soil moist. Calla lilies like to have plenty of water during their growth, so they should often sprinkle water on the leaves and the ground, and pay attention to the cleanliness of the leaves.

4. light: calla lilies are more shady at the beginning of their growth, and they must have very sufficient light in their exuberant growth, and even more in the flowering period, in order to ensure that they bloom and flourish. If calla lilies do not have enough light during flowering, it is easy to cause the bud to turn green or not to bloom.

5. Fertilization: apply fertilizer every 20 days during the growing period of calla lilies, select rotten bean cake water, and apply thin fertilizer frequently in the peak growing season, once every 10 days. Do not pour fertilizer and water from the leaf sheath when fertilizing, so as not to cause calla lily to rot and die. Less fertilization may cause yellowing of leaves and malnutrition, while too much fertilizer can easily cause yellow leaves of calla.

6. Diseases and insect pests: the tuber of Zantedeschia is prone to rot during dormancy or during storage. the surface of tuber can be sprayed with 1000 times of antimicrobial agent 401acetic acid solution and stored after drying. The pests were harmed by red spiders and thrips, which were sprayed with 1000 times of 50% ethyl acaryl alcohol and 4000 times of 2.5% deltamethrin EC, respectively.

What if the calla lily leaves turn yellow?

1. Too much watering: calla lilies like to be wet, so they can't be short of water from budding. They should be watered every day, but too much watering will lead to yellowing of leaves. Calla lilies should be watered as soon as they are dry and thoroughly watered. Do not overdo them.

2. Too little watering: calla lilies are wet flowers, and drought and lack of water can easily lead to yellowing of leaves. Should pay attention to keep watering, maintain sufficient moisture, but also pay attention to avoid leaf core water wet, so as not to cause soft rot.

3. The humidity is too low: calla lilies have certain requirements for air humidity. It is appropriate to control the air humidity between 70% and 85%. When the humidity is less than 50%, the leaves will also turn yellow. Should often water, spray water, keep the basin soil and the environment moist, moderate ventilation to keep the air fresh and circulating.

4. Excessive fertilization: too much fertilizer will cause thick fertilizer to burn roots, which is the most common cause of calla lily leaves yellowing. The fertilization of calla lilies should be appropriate according to the growing period.

5. Too little fertilization: calla lilies are very fat, and too little fertilizer will cause the leaves to turn yellow. Generally, rotten liquid fertilizer is applied every 10 to 15 days, and phosphate fertilizer is mainly applied during flowering.

6, the temperature is too low: calla lily culture should pay attention to the temperature, it is appropriate to control the temperature between 20 and 25 ℃, afraid of cold, avoid salt and alkali, not less than 10 ℃ at night in winter, too high or too low plants are easy to appear yellow leaf phenomenon. When the temperature is too low, we should pay attention to move into the indoor heat preservation.

7. Suffering from smoking: calla lilies are vulnerable to smoke, which often causes leaves to yellowing and affects flowering. Calla lilies culture should pay attention to the air environment problems, pay attention to ventilation, to prevent smoking.