Species azalea Guide
red flowers with red filaments, black anthers and green leaves

azalea

Rhododendron 'Stewartstonian'

Cycle:

Perennial

Watering:

Average

Propagation:

Layering Propagation,Cutting,Grafting Propagation,Division,Seed Propagation

Hardiness Zone:

5 - 8

Flowers:

Orange-red Flowers In Spring

Sun:

Part shade

Leaf:

Yes

Leaf Color:

green

Growth Rate:

High

Maintenance:

Moderate

Poisonous To Pets:

Yes

Salt Tolerant:

Yes

Care Level:

Medium

watering

Azaleas should be watered about once a week until the soil feels moist but not soggy. It is important to water deeply so that the entire root system receives moisture. During periods of drought, the plants should be watered more frequently. The best time to water is in the early morning or late evening to reduce water loss due to evaporation. If possible, water should be sourced from rain barrels or other water supply sources as this will be far better for their health than tap water. Keeping the mulch layer thicker around them can also help to regulate moisture levels and protect the plants’ roots.

sunlight

Azaleas (Rhododendron 'Stewartstonian') prefer bright, filtered sunlight for optimal growth and flowering. They should get at least 4 to 5 hours of sunlight each day during their growing season. The best time to give them sunlight is in early morning or late afternoon, as direct sunlight during the hottest part of the day will burn the leaves. Keeping them in bright, rather than direct, sunlight is best. When azaleas are not in bloom, they can tolerate less sunlight, but should still receive at least 3 hours each day.

pruning

Azaleas (Rhododendron 'Stewartstonian') should be pruned in early spring, just before new growth begins. The best time for pruning is when the buds are plump and beginning to show color. Prune lightly, removing only dead, diseased, or damaged branches. Cut back long, leggy growth by 1-third its original length. Cutting back 1-third of the shrub's growth over successive stages in the spring, encourages new growth. Avoid pruning too much and too deep as this could damage the plant.

FAQ

Is Azalea an evergreen flower?

Yes, azaleas are an evergreen flower. These flowering shrubs are deciduous, meaning that they have leaves that hold on through winter and bloom annually with beautiful and colorful pink, white or purple flowers. Azaleas are grown primarily for their attractive blossoms and attractive green foliage, which are a great addition to any garden.

How do I propagate azalea?

Propagating azaleas through cuttings is the most common method of propagation and is done best in autumn or early spring. To do this, use sharp, sterile pruning shears to cut a 3- to 4-inch length of softwood from a healthy branch of the azalea cluster. Ensure there are at least 2 to 3 sets of leaves on each cutting, and remove any larger leaves at the base. Prepare a pot with a potting mix containing 1-2 parts of sterile compost, 1 part of perlites and some rooting hormone. Stick the cuttings 1-2 inches into the potting mix and mist with water. Keep the pot in indirect sunlight, and keep the soil moist at all times. Once the roots begin to form, the new azalea is ready to be planted.

Can azalea plant propagate by cutting?

Yes, azaleas can be propagated by cuttings. Taking softwood cuttings from the soft-stemmed varieties of azalea is the most common way of propagating them. This can be done by taking a cutting that is 4-6 inches in length, using a sharp-edged garden shear or knife. The cutting should be taken from the semi-ripened shoots, which are generally found at the tips of branches. Place the cuttings into soil and mist lightly to aid them in rooting. Keep the soil moist, and the cuttings should root and establish themselves in a few weeks.

Can Azaleas grow indoors?

Yes, Azaleas can grow indoors with the proper care and environment. To keep your Azalea plant indoors you'll need to make sure that it has a spot with plenty of indirect sunlight, like near a window, to help it produce brightly colored flowers. The soil should also be kept evenly moist and well-drained, and the room should be kept at a temperature around 65°-75°F. With a bit of effort, an Azalea plant can thrive indoors and give you a stunning display of flowers every year.

Can Azalea survive in cold climates?

Azaleas can tolerate cold climates, but extreme temperatures can damage the plant. When temperatures dip below -6 °C (21 °F), most varieties of azaleas cannot survive. Protecting azaleas from the cold using covers, such as burlap, is one way to guard against harsh temperatures. Additionally, mulching around the base of the azaleas, using materials such as pine bark can also help protect the plants from the colder weather. When it gets too cold, move the azaleas inside, where temperatures are more controlled.

Can all azalea varieties bloom at the same time of the year?

No, all azalea varieties cannot bloom at the same time of the year. Each variety blooms during a specific time, with some blooming in the late winter and early spring, while others might bloom in late spring or early summer. Some azaleas, like evergreen azaleas, also have multiple blooming times throughout the year. Depending on the variety and climate, the best time for planting azaleas is usually in the late winter or early spring.

Is it necessary to mulch around azalea?

Yes, it is necessary to mulch around an azalea. Mulching an azalea will provide it with important nutrients and an overall healthier environment for the shrub. Mulch also helps reduce weeds, retains moisture, and regulates soil temperature. To ensure success, use a well-draining, organic mulch such as cypress or cedar, and apply it in a 4-6 inch layer. Make sure to keep the mulch away from the azalea’s stems to prevent rot. In addition, remember to check your mulch throughout the growing season and reapply when necessary.

Is it normal for azaleas to drop their leaves in the fall?

Yes, it is normal for azaleas to drop their leaves in the fall season. In Autumn, azaleas will naturally go through their life cycle and shed their leaves as part of the plant’s dormancy process. This is a natural part of the plant’s life cycle and should not be a cause for alarm. Shedding leaves is a normal defense that a plant uses to preserve energy and nutrients during times of adverse weather.