How to grow azaleas? Learn the methods for growing azaleas well

How to grow azaleas and how to grow them well: A reader asked about how to grow azaleas, so how should azaleas be grown? Azaleas like acidic soil and do not grow well in calcareous soil, or even fail to grow at all. Therefore, soil scientists often use azaleas as an indicator plant for acidic soil. After many years of cultivation by people, a large number of cultivated varieties of azaleas have appeared, with more flower colors and diverse flower shapes, including single-petaled and double-petaled varieties. Azaleas naturally prefer a cool, humid, ventilated, semi-shaded environment. They fear both intense heat and severe cold. The suitable growth temperature is 12°C to 25°C. When the summer temperature exceeds 35°C, new shoots and new leaves grow slowly, and the plant enters a semi-dormant state. In summer, sun protection and shade are needed, and in winter, attention should be paid to keeping warm and preventing cold. Avoid direct exposure to scorching sun; it is suitable to grow under scattered light with low light intensity. If the light is too strong, tender leaves are easily scorched, and the edges of new and old leaves burn. In severe cases, it can lead to plant death. In winter, azaleas grown outdoors should be protected against cold to ensure they survive the winter safely. Among ornamental azaleas, Western azaleas have the weakest cold resistance, and frost damage easily occurs when the temperature drops below 0°C.

Planting: North of the Yangtze River, they are all grown in pots for ornamental purposes. Use leaf mold, sandy soil, and garden soil (7:2:1) for the potting soil, mix in cake fertilizer, manure, and so on, stir well, and then plant. Generally, potting or soil replacement is done in March in spring. South of the Yangtze River, field planting is mainly used, planting before spring sprouting. The site should be ventilated and semi-shaded. The soil should be loose, fertile, rich in humus, and preferably acidic sandy loam, and should not retain water, otherwise it is not conducive to the normal growth of azaleas. After planting, firm the soil and water.

1. How to grow azaleas——SoilGrowing azaleas in pots is a common method of cultivating azaleas at home. When mixing soil for azaleas, attention must be paid to looseness and air permeability, so soil with strong air permeability and drainage capacity is best. At the same time, azaleas like light fertilizer, so it is suitable to use acidic soil plus some humus material.

2. How to grow azaleas——LightDuring growth, azaleas require long daylight hours, needing at least six hours of sunlight for half the day, but avoid being exposed outside all day. During the flowering season, azaleas should be shaded properly. Using special shade cloth for shading is more suitable. Azaleas are not suited to direct sun exposure during the flowering stage.

3. How to grow azaleas——WateringAzalea roots are fine, so their water absorption capacity is not very strong. Therefore, azaleas should be watered frequently to ensure a moist soil environment. Except during winter dormancy, azaleas should be watered appropriately so they bloom better.

Are azaleas easy to grow? Azalea cultivation methods

Introduction: Azaleas are one of China's ten traditional famous flowers and are an ornamental flower variety that is very easy to grow. The flowers are bright and diverse and are deeply loved by people. Although azaleas are not a rare variety and are easy to grow, if you want to grow them well, you still need to understand their habits. So how can azaleas be grown well? Below, the editor of First Agricultural Economics introduces azalea cultivation methods for you.

1. Growth habits

Azaleas are semi-shade plants and cannot be exposed to strong sun, otherwise the leaves are easily scorched. After being moved outdoors in spring, they need soft sunlight, and shade should be provided around noon. After summer begins, place them in a cool, ventilated place. In midsummer, pay attention to shading; before 8 a.m. and after 5-6 p.m., shading is not needed. After autumn begins, light decreases, so they can be placed in a sunny spot, which helps flower bud differentiation in azaleas. In winter, place azaleas in a sunny spot indoors.

Image: Potted azalea

2. Temperature

The suitable growth temperature for azaleas is 15—25°C, the maximum temperature should not exceed 32°C, and the overwintering temperature should not be lower than 5°C. Around mid-October at the end of autumn each year, azaleas should be moved indoors for care. In winter, place them in a spot with sufficient sunlight, and keep the indoor temperature at 5—10°C, but it must not be lower than 5°C, otherwise azaleas will stop growing or die.

3. Watering

When planting and changing soil, water azaleas thoroughly once so the roots fully contact the soil, which helps the roots survive and grow. During the growing period, azaleas need more water, especially in midsummer, when they must never lack water. Water every morning and evening, and frequently spray water on the leaves to keep them moist, but do not let water accumulate. After azaleas are moved indoors in winter, reduce watering, and water only after the potting soil dries.

4. Fertilizing

Fertilizing azaleas is very important, but the season must be grasped, and it should be done at the right time, in the right amount, and with the proper concentration. Azaleas have a strong ability to absorb water and fertilizer, and are suitable for alum fertilizer water. From March to May, fertilize once a week; from June to August, azalea growth slows and enters a semi-dormant state, so fertilizing should stop; in late September, azaleas enter autumn growth, so apply phosphorus-containing liquid fertilizer once every 10 days; after October, azaleas basically stop growing, so fertilizing should stop.

Image: Potted azalea

5. Pinching and pruning

Azaleas should be pinched regularly to promote new branches, and buds should be removed promptly during the bud stage so that nutrients are concentrated and the flowers are large and brightly colored. Azaleas have strong sprouting ability, and too many branches will affect growth, so pruning is needed to adjust them. Pruning is often done after flowers fade in spring and in autumn. Dead branches, slanted branches, leggy branches, diseased and pest-damaged branches, and crossing branches need to be cut off, and spent flowers should be removed promptly to avoid nutrient consumption, so that azaleas bloom abundantly.

6. Pest and disease control

Azaleas are prone to brown spot disease, Stephanitis takeyai, root rot, red spider mites, iron deficiency chlorosis, gray mold, and other pests and diseases, which can cause early leaf drop, weaken growth, and reduce the ornamental value of azaleas. To grow azaleas well, be sure to pay attention to pest and disease control. Usually provide more ventilation, drainage, loosening of the soil, and sterilization. If pests and diseases occur, take corresponding measures promptly to treat them.