Getsutoku Azalea

Getsutoku Azalea Care

Rhododendron 'getsutoku'

What is the plant

This Japanese azalea is a hybridization between Rhododendron indcum and Rhododendron simsii and has a compact, low, spreading to rounded form that is twiggy and dense. Even the leaves are notably smaller, making it the wonderful bonzai plant that it was originally bred to be. Grows 2 to 4 feet tall and wide.

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Humidity

High

Lighting

Full Sun

Temperature

-3°C - 10°C

Hardiness zone

9 - 11

Difficulty

Easy

Hibernation

Cold Period

Toxicity

Poisonous

How to Care for the Plant

Water
Azaleas need water to bloom, and spring rain showers usually do the job. However, if the spring is dry, extra watering can be beneficial.
Pruning
Azaleas benefit from mild pruning. They start forming buds in summer, so the best time to prune is right after the flowers drop off in late spring.
Fertilizer
Azaleas also do well if given some fertilizer. Without knowing the nutrients in your soil, a basic 15-15-15 fertilizer containing equal parts nitrogen, phosphorous and potassium is your best bet.

Disease diagnosis

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Sunlight
Azaleas flourish in shady spots, though they like a bit of sun: a few hours of morning sun is best, so the flowers don't wilt if a spring day becomes too hot. Most azaleas stay in bloom for about two weeks, barring rain or wind damage from a storm.
Soil
Azaleas love acidic soil; this explains why potted nursery plants usually have mostly peat moss for the planting medium. Soil should also have good drainage and good fertility with plenty of organic matter (compost, chopped leaves, etc.) and azaleas do best with a natural mulch such as pine bark mulch.
Temperature
Azalea hardiness ranges between 3 and 9, with most of them having a narrower range at one end or the other (3 to 7 or 5 to 9). With ranges this narrow it's important the choose your plant and your planting site carefully. Too cold, and buds may not form; too hot, and flowers may burn from over exposure. Mildew can be a problem with azaleas; make sure they have plenty of air circulation and don't plant them too close to other large shrubs.