Eugenia candolleana

Rio Grande cherry (Eugenia candolleana; also Eugenia candolleana; cereja-do-rio-grande; rainforest plum) is a Myrtaceae fruit plant grown for its berry.

Eugenia candolleana fruit, flower, or plant habit. Wikimedia Commons file page.
Rio Grande cherry (Eugenia candolleana )
Scientific name	Eugenia candolleana
Genus	Eugenia
Family	Myrtaceae
Order	Myrtales
Fruit type	Berry
Growth form	Small evergreen tree or shrub
Climate and hardiness	Warm subtropical to tropical
Mature height	3–8 m
Mature width	2–6 m
Soil	Acidic, humus-rich, well-drained soil with steady moisture
Water	Even moisture during establishment and fruit development
Sun	Full sun to partial shade; more sun generally improves fruiting
Germination	Fresh seed; do not dry
Years to fruit	Often 3–6 years from seed, variable by climate and plant
Pollination	Insect-pollinated and generally productive as a single tree
Harvest	Warm-season crop; timing varies by latitude and rainfall

Identification and description

Rio Grande cherry is a Brazilian Myrtaceae fruit with dark red to purple berries, glossy foliage, and a compact habit. The fruit is usually more substantial and less intensely resinous than many small Eugenia species.

The accepted genus, family, and order are Eugenia, Myrtaceae, and Myrtales. Common names may cover related taxa; check the scientific name before transferring cultivation advice.

Growing

Rio Grande cherry is a Brazilian Atlantic-forest species. Its dark berries develop on a small evergreen tree in warm, humid conditions; protect young plants from drying and maintain an acidic, organic root zone.

It comes from humid and seasonally moist South American vegetation and prefers a cool root zone with organic matter. Provide drainage without letting the plant suffer repeated drought. The species is useful for small gardens and containers where a full-size tropical tree is impractical.

Soil

Acidic, humus-rich, well-drained soil with steady moisture.

Sun and humidity

Full sun to partial shade; more sun generally improves fruiting. Native habitat and airflow matter as much as light intensity; avoid enclosing humid foliage without ventilation.

Seasonal changes

In native climates, rainfall and temperature jointly regulate flushes and flowering. A short drier interval followed by warm moisture can stimulate bloom, while cold subtropical winters may delay the crop. Avoid severe water stress during fruit enlargement.

Propagation

Fresh seed is the most dependable method, but seedlings vary in fruit quality and maturity. Grafting or cuttings can preserve superior selections when suitable material is available.

Field view or fruit detail of Eugenia candolleana. Wikimedia Commons file page.

Flowering, fruiting, and harvest

Warm-season crop; timing varies by latitude and rainfall. Flowering and ripening are strongly affected by latitude, cultivar, rootstock, rainfall, and temperature; local records are more useful than a single universal calendar.

Fruit and uses

Ripe fruit is eaten fresh and can be made into juice, jelly, syrup, and preserves. The dark skin contributes color, and fruit is best handled gently because it softens quickly after picking.

Commentary

Growers are invited to share observations about Rio Grande cherry on the talk page, especially climate, provenance, propagation method, plant age, flowering season, and fruit quality.

Photos

The images above show documented fruit, flower, or plant-habit views. See the individual Commons file pages in the image credits for authorship and license details.

Sources

• Useful Tropical Plants: Eugenia candolleana
• Purdue NewCROP: Eugenia and related fruits

Image credits

• Eugenia candolleana 5.png — Wikimedia Commons file page; creator and license are recorded on the source page.
• Eugenia candolleana 2.png — Wikimedia Commons file page; creator and license are recorded on the source page.