Costa Rican guava (Psidium friedrichsthalianum)
Care, watering, light and tips for Costa Rican guava on Floravia.
Quick facts
- Family: Myrtaceae
- Difficulty: Moderate care
- Watering: every 3 days
- Light: Partial shade
- Temperature: 10–30 °C
About Costa Rican guava
The Costa Rican guava (Psidium friedrichsthalianum), also known as cas or cas guava, is a tropical fruit tree native to Central America, prized for its tart and aromatic fruits, perfect for juices and desserts. It features dense, glossy foliage and white flowers that develop into round, yellowish-green fruits. This species is an excellent choice for tropical or subtropical gardens, offering both ornamental beauty and edible produce.
Native range
Central America, from southern Mexico to Panama
Care tips
This plant thrives in full sun exposure for optimal fruit production and requires regular watering, particularly during flowering and fruit development, while avoiding waterlogging. It prefers well-drained soil, rich in organic matter, and with a slightly acidic pH. A common mistake is neglecting pruning, which can reduce fruit yield and tree vigor; perform formative and maintenance pruning.
How to save a dying Costa Rican guava
- Warning signs
- Yellowing or browning leaves falling, stunted growth, small or no fruit production.
- First aid
- Check drainage and soil moisture. Ensure indirect sunlight and protection from frost.
- What kills it
- Constant waterlogging, nutrient deficiency, prolonged exposure to cold temperatures or extreme drought.
- Can it be saved?
- Yes, if you act quickly. Good soil, proper watering, and light can revive it.