Tibouchina: Indoor Plant care & Growing Guide


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How to Grow Tibouchina Indoors

In the United States, Tibouchina is not normally considered a houseplant. In fact, outside of the subtropics, where it is often used as a landscaping plant (including its native Brazil), it is not even thought of.

It's a shame, as the gorgeous plant has showy purple flowers, silvery velvet leaves, and open greenery.

Also known as the shrub of glory or the princess flower, the tibouchina can be grown and cultivated throughout the year for flower lovers who do not live in a suitable climate to house the plant outdoors.

Although it is not very difficult to grow indoors, the plant is peculiar in some of its conditions. If you can meet their needs, you will have a wonderful new houseplant that grows moderately fast and can last a long time.

(You can add up to 3 feet a year outdoors, although this is probably less important when kept indoors.) Boring and you will have the ground covered with fallen leaves and a very unhappy plant.

Botanical NameTibouchina granulosa
Common NameTibouchina, purple glory tree, glory tree, princess flower
Plant TypeEvergreen shrub
Mature Size10-20 ft. tall, 6-10 ft. wide
Sun ExposureFull sun
Soil TypeMoist but well-drained
Soil pHNeutral to acidic
Bloom TimeSpring, summer
Flower ColorPurple
Hardiness Zones9–11 (USDA)
Native AreaSouth America


Tibouchina Care

There are probably two possible reasons why tibouchina is no longer used. For starters, you need some trimming to control your growth habit - the sprawling tibouchina has long legs and is not particularly attractive.

Second, they seem to have a very narrow margin of error - leaf drop and plant drop are woefully common, often due to watering or temperature issues.

Under ideal circumstances, tibouchina thrives in a Mediterranean-type climate, with moderate temperatures and water.

If exposed to cold drafts or strong sunlight, the plant will begin to drop leaves. Also, tibouchina is not very susceptible to parasites.

Even if you try hard to keep Tibouchina alive for a long time, they are beautiful to display plants for your flowers and provide a season of color indoors before they fade. Provide tibouchina with these top-notch growing conditions, which will allow it to thrive indoors.


Tibouchina prefers bright, filtered sunlight. In general, direct sunlight in summer is a bit too strong, but it doesn't flower properly without at least six to eight hours of bright light a day.

Choose an area of ​​your home that has received constant diffuse light, or periodically move the plant around the house as needed.


Plant your tibouchina in loose, well-drained potting soil. You want to prevent your plant from getting soggy, so choose a pot that has sufficient drainage at the base.


Keep your plant regularly moist during the growing season and during the summer; a deep weekly soak should work well.

You can reduce the watering rate during the winter months, but you should never let your plant dry out completely.

Temperature and humidity

Tibouchina blooms in late spring or mid-summer. They do well with small environmental fluctuations and should be stored in temperatures around 70 degrees Fahrenheit.

Tibouchina does not like extremely hot or cold temperatures and should be kept away from drafts or breezes.

In addition, Tibouchina likes humid environments. Store the plant in a naturally humid part of your home, such as the kitchen or bathroom. If necessary, you can spray the plant daily or invest in a small space humidifier.


Feed your tibouchina plant during the growing season with liquid fertilizer or controlled-release fertilizer, used according to label directions.

Propagation of Tibouchina

Tibouchina can be propagated from semi-hardwood cuttings, preferably with a rooting hormone. Since the plant is tropical, the seedlings keep best in warm temperatures (around 27 degrees Celsius) and high humidity.

They do best in a multiplying house or in an environment similar to a covered terrarium. Even so, you may find that tibouchina seedlings can be difficult to root.

Potting and Repotting Tibouchina

Tibouchinas naturally grow on small trees, with an open, open growth of up to 20 feet. At home, the first rule of thumb is to keep the tibouchina neatly trimmed, removing new growth shoots and gently shaping the plant to contain its extensive growth.

This will likely slow down their growth and reduce the frequency of replanting. When replanting the plant, increase the size of the pot and use fresh soil.

Common Pests / Diseases

Like many houseplants, tibouchina plants can have problems ranging from scales and mites to aphids.

Although these pests are generally controlled in the wild by natural predators, you will need to immediately combat them indoors.

Keep your Tibouchina-infected plant away from other indoor plants and treat it with a mild insecticide or horticultural oil, such as neem oil.

Enjoy This Video Tutorial About Tibouchina Care

Source: johnny A

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