Guava tree will take 2-3 years to mature and start to form fruits . The guava tree blooms in early spring , but may bloom all year in mild climates We need to prune and trim the guava tree regularly to encourage the growth of large, high-quality guava at the edges of the trees. Keep the soil evenly moist for best fruit production ; allow the top 2 or 3 inches of soil to dry before watering again. If the soil goes completely dry, flowering may be delayed or fruit may drop . Reduce water in winter . Guava fruit will be ripe and ready for harvest about 120 and 150 days after pruning the guava trees In warm year-round locations, guava can produce two crops each year, a large crop in summer followed by a smaller crop in winter . Ripe guavas will develop mature light green as they ripen Home Gardening Ideas