Papaya
Carica Papaya
Approximately ~12 seeds per packet.
Germination: 71% Packed for 2025
Native to tropical regions of the Americas, particularly southern Mexico and Central America this tropical fruit plant is now cultivated in most tropical countries. In the continental USA it will thrive in zones 9 – 10. It also does well in Hawaii (zone 12).
The papaya tree is a fast-growing, herbaceous plant (producing soft flexible green stems above the ground). This tree can reach up to 33 feet (10 meters) in height, growing rapidly and fruiting within three years.
Small and sparsely branched, with leaves arranged spirally at the top of the trunk, the papaya tree leaves are large, lobed, and palmate. The leaves can reach up to 24 inches (60 centimeters) in diameter.
Usually fragrant and tubular in shape, papaya tree flowers are small, white to cream-colored. With a hermaphrodite flower, which can self-pollinate, male and female hermaphroditic flowers can occur on the same plant.
The fruit is a large berry, ripening to a large, oval or pear-shaped berry, that is amber to orange hue when soft. Skin color ranges from green to yellow or orange as it ripens. They can weigh between 1 to 20 pounds. The flesh is sweet, juicy, and typically orange or red when ripe, with black seeds clustered in the center. Papaya have a shallow but extensive fibrous root system.
Papaya is consumed raw when ripe, either without skin or seeds, and cooked when unripe, often in curries, salads, or stews. Papaya skin, pulp, and seeds contain several phytochemicals, including carotenoids and polyphenols, as well as benzyl isothiocyanates and glucosinates.
Growing Guidance for Carica Papaya
Prefers tropical and subtropical climates. Ideal temperature range: 70-90°F (21-33°C). Sensitive to frost and prolonged cold weather. Requires high humidity and ample sunlight. Well-draining, fertile soil is crucial. The pH range should be 5.5 to 7.0. Avoid waterlogged or compacted soils.
Planting, Spacing, & Watering: Best propagated from seeds. Seeds should be sown fresh, directly into the soil or in containers. Plant seeds about 0.4-0.8 inches (1-2 centimeters) deep. Germination occurs within 2-3 weeks. Space plants 6 to 10 feet (1.8 to 3 meters) apart. Ensure adequate air circulation to prevent diseases. Regular, deep watering is essential. Maintain consistent moisture but avoid waterlogging. Drip irrigation is recommended for optimal growth.
Fertilization: Balanced fertilizer rich in nitrogen, phosphorus, and potassium. Apply fertilizer every 2-3 months. Supplement with micronutrients such as magnesium, zinc, and iron if needed. Minimal pruning required. Remove dead or diseased leaves to promote air circulation and reduce pest problems.
Pest and Disease Management: Common pests: aphids, whiteflies, fruit flies, spider mites. Common diseases: papaya ringspot virus, anthracnose, powdery mildew. Integrated pest management (IPM) strategies, including biological control, can be effective. Regular monitoring for signs of stress, pests, and diseases. Mulching around the base can help retain soil moisture and suppress weeds.
Harvesting: Fruits typically mature within 6-9 months after flowering. Harvest when the skin starts to turn yellow. Use a sharp knife to cut the fruit from the tree to avoid damage. Papaya plants have a relatively short lifespan, typically producing fruit for 3-4 years.
By following these guidelines, you can expect healthy growth and productive yields of Carica papaya in suitable climates and vegetation zones.
GUIDELINES - FALL SOWING TREE SEEDS-PDF FOR PRINTING
KEEP SEEDS REFRIGERATED FOR LONG TERM STORAGE PRIOR TO SCARIFICATION TREATMENT BELOW.
GROWING INFORMATION |
|
Scarification |
Soak in water, let stand in water for 24 hours |
Stratification |
None required |
Germination |
Sow seed 1/8” deep, tamp the soil, keep moist but not wet |