Psidium guajava (Guava)

Common names: Guava, Bayabas (Philippines)
Family: Myrtaceae

Psidium guajava is a small tropical fruit tree widely grown across Southeast Asia, especially in the Philippines. It’s valued for its nutritious fruit, medicinal leaves, and adaptability to various soil types.

Tree Characteristics

  • Height: 3–10 meters
  • Canopy: Rounded, spreading
  • Bark: Smooth, peeling (greenish to brown)
  • Leaves: Opposite, aromatic, oval-shaped
  • Flowers: White, fragrant, with prominent stamens

Fruit Description

  • Shape: Round to pear-shaped
  • Skin: Green → yellow when ripe
  • Flesh: White, pink, or red depending on variety
  • Taste: Sweet to mildly acidic, aromatic
  • Seeds: Numerous, small, hard

Fruiting Period

  • First fruiting: 2–4 years after planting (grafted trees fruit earlier)
  • Peak productivity: 5–10 years
  • Harvest cycles: 1–2 times per year (can be continuous in tropical climates like the Philippines)

Growing Conditions

  • Climate: Tropical to subtropical
  • Temperature: 23–30°C optimal
  • Soil: Well-drained, tolerates poor soils
  • Sunlight: Full sun
  • Water: Moderate (drought-tolerant once established)

Uses & Value

Food

  • Fresh fruit, juices, jams, candies
  • Rich in Vitamin C, fiber, and antioxidants

Medicinal

  • Leaves used as herbal tea for:
    • Diarrhea
    • Wound cleansing
    • Oral health (mouthwash)

Industrial / Agroforestry

  • Potential for essential oil extraction (leaf oil)
  • Good for mixed farming systems and hedgerows

Agroforestry & Integration

Guava works well in diversified farms like your Crown Agroforestry systems:

  • Intercrop with nitrogen-fixing trees (e.g., Gliricidia sepium)
  • Combine with herbs like ginger, turmeric, or lemongrass
  • Acts as a mid-story fruit tree in layered farming

Commercial Potential (Philippines Context)

  • Strong local demand (fresh and processed)
  • Low maintenance, fast ROI
  • Ideal for:
    • Smallholder farmers
    • Cooperative production (AGAC model)
    • Value-added products (tea, extracts, nutraceuticals)