Bougainvillea (Bougainvillea glabra)

Jorg P

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Bougainvillea Plant Care

Bougainvillea glabra Choisy

Bougainvillea glabra, the lesser bougainvillea or paperflower, is the most common species of bougainvillea used for bonsai. The epithet 'glabra' comes from Latin and means "bald".

Water

Every 7–14 days

Light

Full sun

Temp

60–90°F

Humidity

40–70%

What Is the Bougainvillea?

Bougainvillea (Bougainvillea glabra) belongs to the Nyctaginaceae family within the Bougainvillea genus. Bougainvillea is also known as Paper Flower, Glory Bush.

Bougainvillea displays a vigorous climber or sprawling shrub growth habit, reaching up to 20 inches tall with a spread of approximately 6 inches. Bougainvillea produces small, tubular white or colorful bracts surrounding small inconspicuous flowers.

Leaf size: approximately 4 inches.

How Often Should You Water a Bougainvillea?

Bougainvillea glabra requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.

Watering Frequency

Every 7–14 days

Let soil partially dry between waterings

What Light Does the Bougainvillea Need?

Bougainvillea thrives in full sun light conditions. The optimal light range is 2000–10000 lux. Avoid placing Bougainvillea in direct, harsh sunlight for extended periods, as this can scorch the foliage.

Light Requirement

Full sun

2000–10000 lux

What Temperature and Humidity Does the Bougainvillea Prefer?

Bougainvillea glabra grows best at temperatures between 60°F and 90°F. Bougainvillea prefers humidity levels of 40–70%.

Temperature

60–90°F

Humidity

40–70%

What Soil Mix Works Best for a Bougainvillea?

Well-draining, slightly acidic soil with added sand or perlite for improved drainage. Good drainage is essential for Bougainvillea to prevent waterlogging, which leads to root rot and fungal issues.

How Do You Repot a Bougainvillea?

Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.

How Do You Propagate a Bougainvillea?

Bougainvillea can be propagated through softwood cuttings, hardwood cuttings.

Fertilizing

Every 4 months

During the growing season

Is the Bougainvillea Toxic to Pets and Children?

Toxic to Pets & Children

Mildly toxic to humans and pets if ingested

What Pests and Diseases Affect the Bougainvillea?

Bougainvillea is susceptible to aphids, caterpillars, spider mites. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

What USDA Hardiness Zone Does the Bougainvillea Need?

Bougainvillea grows outdoors in USDA Zone 9b – 11b. In cooler regions, grow Bougainvillea as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 9b – 11b

Keep exploring plants

Bougainvillea is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Bougainvillea genus — compare its care with other Bougainvillea species on PlantoScan.

Bougainvillea thrives in bright light and direct sun — see other bright-light plants.

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