Which month is best for sowing Catharanthus roseus?

Vinca roseus is loved by gardening enthusiasts and families because of its evergreen leaves and continuous flowering period. If you want to plant this beautiful flower on your balcony or in your garden, it is particularly important to know the correct time and techniques for sowing. So, which month is the best for sowing Catharanthus roseus? Let’s take a look below.

1. Which month is the best for sowing Catharanthus roseus?

Catharanthus roseus prefers a warm, slightly dry and sunny environment, and avoids stagnant water, severe cold and rain. Therefore, the sowing of vinca roseus should be chosen in spring, and March to May is the best planting time; if sowing is chosen in autumn, September to October should be chosen.

2. Maintenance methods and precautions of Vinca rosea

1. Planting environment

(1) Lighting conditions

Vinca prefers plenty of sunlight, so choose a sunny location for cultivation. It can tolerate a certain degree of shade, but excessive shade will affect flower bud differentiation and flowering.

(2) Temperature requirements

Catharanthus roseus is sensitive to temperature, and the suitable growth temperature is between 15°C and 25°C. During the cold winter, you need to pay attention to keeping warm to prevent vinca roseus from being harmed by severe cold.

2. Soil and water management

(1) Soil requirements

Catharanthus roseus has strong adaptability, but prefers loose, fertile and well-drained soil. Before planting, you can add an appropriate amount of leaf mold or decomposed organic fertilizer to the soil to improve soil fertility and water retention.

(2) Watering techniques

Catharanthus roseus needs to maintain an appropriate amount of moisture during the growing period, but it should not be watered too much to avoid root hypoxia and rot. Each watering should keep the soil moist, but avoid waterlogging.

3. Fertilization method

(1) Balance of nitrogen, phosphorus and potassium fertilizers

Catharanthus roseus requires a reasonable ratio of nitrogen, phosphorus and potassium during its growth process. Nitrogen fertilizer is beneficial to promote leaf growth, phosphorus fertilizer helps promote flower bud differentiation, and potassium fertilizer can enhance the plant's disease resistance.

(2) Application of organic fertilizer

Catharanthus roseus likes organic fertilizers , so you can choose to apply organic fertilizers such as well-rotted compost or chicken manure. Spring and autumn are suitable times for fertilization every year.

4. Pruning and management

(1) Pruning after flowering

Proper pruning of Catharanthus roseus after its flowering period can promote the growth of new shoots of the plant and lay the foundation for the formation of flower buds in the next season.

(2) Pest and disease control

Check vinca roseus regularly. If diseases or pests are found, take appropriate measures to prevent and control them in time. Common pests and diseases include aphids, powdery mildew, etc.

5. Reproduction method

(1) Seed propagation

Collect mature periwinkle seeds , clean and disinfect them, and then sow them in nursery beds or pots.

(2) Propagation by division

Selecting the vigorously growing side branches of Catharanthus roseus, separating them and transplanting them into new pots will be beneficial to the renewal and reproduction of the plant.

That’s it