According to the United States National Arboretum, azaleas bloom anywhere between early April through June. Peak periods of blooming vary by two weeks or more, but typically take place around the end of April.Know More
Azaleas given too much nitrogen in early summer may not bloom. Skipping fertilizer or limiting fertilizer applications to the fall or spring is a standard practice to ensure flower bud formation.
Azaleas prefer partial shade. However, deep shade often results in fewer flower buds. Planting azaleas under a tree where the plant can receive diffused light under tall, widely spaced trees, such as oaks and tulip poplars, encourages strong blooms.Learn more about Outdoor Plants & Flowers
Azaleas can be fertilized anytime from late spring to early fall. When the plants show signs of nutrient deficiency, such as yellowing leaves or slow growth, they need to be fertilized.Full Answer >
The best times to plant azaleas are the early spring and early fall. Planting in the spring when they are in bloom allows you to lay out a color scheme more easily, while early fall planting allows the azaleas to become more established before the hot summer weather arrives.Full Answer >
The best time to trim an Azalea is in the spring within three weeks of when it is done blooming. Bloom time varies by locale. When spent flowers begin to discolor, shrivel and fall off, it is time to prune.Full Answer >
Azaleas are well-suited to container growing. Choose a pot with feet and at least one small hole in the bottom; this will ensure good drainage and prevent root rot. Line the bottom of the container with small rocks, then fill with a mixture of soil and peat moss.Full Answer >