A big inventory of biennial plants. How much do you know about these plants?

Definition and characteristics of biennials Types and characteristics of biennials Cultivation and management of biennials Among many plant species, biennials are very popular because of their short life cycle and rapid growth. Biennials, as the name suggests, refer to the entire life cycle from sowing to flowering and fruiting, and the entire life cycle is about two years. These plants have a wide variety of varieties, beautiful colors, and high ornamental value. This article will introduce you in detail the relevant knowledge of biennials. Help you better understand and appreciate these beautiful plants. Definition and characteristics of biennial plants 1. Definition: Biennial plants refer to plants with a life cycle of about two years from sowing to flowering and fruiting. They grow stems and leaves in the first year, accumulate nutrients, and bloom in the second year.

2. Characteristics: Biennial plants have short growth cycles, fast reproduction speed, strong adaptability, and easy cultivation and management. Biennial plants have rich colors and different shapes, and have high ornamental value. Types and characteristics of biennial plants 1. Petunia: Petunia is a biennial herb with a long flowering period and diverse colors. It has high ornamental value. Petunia is highly adaptable, cold and drought-tolerant, and is suitable for planting in places with sufficient sunshine and good drainage.

2. Iris: Iris is a perennial herb, but it is often cultivated as a biennial plant. Iris is rich in colors and elegant in flower shapes, which has high ornamental value. Iris likes light, is cold and drought-tolerant, and is suitable for being planted in a place with sufficient sunshine and good drainage.

3. Calendula: Calendula is a biennial herb with a long flowering period and beautiful colors. Calendula is highly adaptable, cold and drought-tolerant, and is suitable for planting in places with sufficient sunshine and good drainage.

4. Petunia: Petunia is a biennial herb with a long flowering period, diverse colors, and high ornamental value. Petunia is highly adaptable, cold and drought-tolerant, and is suitable for planting in places with sufficient sunshine and good drainage.

5. Petunia: Petunia is a biennial herb with a long flowering period, diverse colors, and high ornamental value. Petunia is highly adaptable, cold and drought-tolerant, and is suitable for planting in places with sufficient sunshine and good drainage. Cultivation and management of biennial plants 1. Sowing time: Biennial plants are generally sown in spring so that they can bloom in summer.

2. Soil requirements: Biennial plants do not have strict soil requirements, but it is advisable to use sandy soil with good drainage and fertile water.

3. Watering: Biennial plants like a humid environment, but it is not advisable to accumulate water. Water should be appropriate to keep the soil moist.

4. Fertilization: During the growth period of biennial plants, appropriate amounts of nitrogen, phosphorus and potassium fertilizer can be applied to promote plant growth.

5. Pruning: In order to maintain the appearance of the plant, withered leaves and weak branches should be pruned in time.

Biennial plants have become the favorite of many flower lovers because of their short life cycle, rapid growth, and beautiful colors. Understanding the types, characteristics, cultivation and management of biennials will help us better appreciate and maintain these beautiful plants. I hope this article can provide you with a useful reference.