Psidium friedrichsthalianum (Costa Rica Cas Fruit)
Botanical name: Psidium friedrichsthalianum
Common names: Costa Rica Cas Fruit, Cas Guava
Family: Myrtaceae
Origin: Costa Rica
USDA Zone: 8-11
Cold tolerance: 20°F

Plant form: Large bush or small tree
Mature height: 10-20 ft
Sun exposure: Full sun or bright light indoor
Cold tolerance: Tolerates light freezing to about 30°F for short periods (mature plants). Young plants must be protected.
Flower color: White and off-white
Suitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growingCosta Rican guava is a species of guava found mostly in Costa Rica but also grown in Guatemala, Nicaragua and other Central American countries. It has been successfully grown in California now and can be grown in mild higher regions.
Usually used to make jams, jellies, and preserves, or as a flavoring for drinks. It is used as the base for fresco de Cas, in which Costa Ricans mix it with sugar and water and sometimes add cream for a slightly acidic fruit drink.
Delicious flavorful fruit is sub-acid, great for drinks of eating out of hand for those who like sweet-n-sour fruit. Lots of vitamin C.
The yellow fruit, 2-3" around, similar to the common guava growth habit is similar to the cattley guava. Mature trees seem capable of withstanding short frosts.
Seeds germinate readily and seedlings grow fast.
Similar plants: Psidium friedrichsthalianum (Costa Rica Cas Fruit)
Cas Guava fruit is used in traditional Costa Rican drink "Agua de Cas," a refreshing blend of cas juice, water, and sugar.
Cas Guava fruit is packed with vitamin C: about four times more vitamin C than a typical orange, making it an excellent immune booster. It's also rich in antioxidants, which help combat oxidative stress and reduce inflammation.
Cas guava tree is pretty hardy, thriving in poor soils and resisting pests and diseases.
Learn more about Cas Guava.
Recommended Fertilizer: SUNSHINE C-Cibus - Crop Nutrition Booster
SUNSHINE-Honey - sugar booster









