Exostema caribaeum — an easy houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Exostema caribaeum

Exostema Caribaeum

Updated · 26 observations
ON THIS PLANT
A note from PlantMom

Caribbean princewood resists disease well and is generally not prone to illnesses. Regarding care, this plant is fairly low-maintenance. When grown outdoors it needs minimal watering, and larger specimens typically do not require pruning. Smaller plants, however, should be pruned after they finish blooming. Caribbean princewood is suitable for anyone with an outdoor area, such as a garden or deck, and does not demand much care experience.

— PlantMom
CARE GUIDE

How to keep Exostema Caribaeum.

Light

Caribbean princewood comes from open habitats, like sunny meadows and the edges of forests, where light is plentiful. It does best in Full Sun but can withstand Partial Sun, showing good adaptability to different light conditions.

Temperature

Caribbean princewood comes from tropical areas where the climate is generally warm and humid. Therefore, it is suited to high temperatures and humidity. It dislikes sudden temperature changes and prefers a consistent thermal environment, so avoiding temperature fluctuations indoors is important. It typically cannot tolerate cold conditions and needs warmer temperatures to grow. If the surrounding temperature falls too low, the plant may stop growing or even die.

Fertilizer

The best time to fertilize a Caribbean princewood is in early spring, as it comes out of dormancy. This encourages overall growth and supports flower development. Fertilizing improves the foliage, stems, and branches, and encourages large, vibrant, long-lasting flowers. It also helps move nutrients from the roots to the flowers and enhances the plant's health and resistance to disease.

CHARACTERISTICS

Botanical profile.

Plant Type
Tree, Shrub
Life Cycle
Perennial
Genus
Exostema
Family
Rubiaceae
Hardiness Zone
10-12
Mature Height
4.88 m to 10.06 m
Mature Spread
3.05 m to 4.88 m
Leaf Color
Dark Green
Leaf Type
Evergreen
Flower Color
White
Flower Size
3.05 cm to 5.08 cm
Bloom Time
Late spring, Summer, Early fall
Planting Time
Spring, Summer, Autumn
Harvest Time
Late summer, Fall
Native Area
Bahamas, Belize, Cuba, Honduras, Mexico, Guatemala, El Salvador, Nicaragua, Costa Rica, Jamaica
ALSO KNOWN AS

Other names.

en Caribbean princewood en Princewood
PLATES
Exostema caribaeum flower
PLATE 01 · flower
Exostema caribaeum fruit
PLATE 02 · fruit
Exostema caribaeum other
PLATE 03 · other
ALSO IN THE LIBRARY

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