I should also add that my tree is a product of grafting.
Make sure the guava tree is watered well although the tree is always going to drop some fruit. Aug 17, Much of its success is due to its ability to tolerate very dry conditions. Because of that, guava isn’t a huge fan of being overly wet.
In fact, flooding can induce leaf drop, stem dieback, and even tree death, all things that will interfere with blooming and increase stress on the plant. Keep your guava on the dry side.
Seasonal timing. If you’re eagerly waiting for blooms now because you read somewhere that guavas bloom in spring and you can harvest the fruit. Oct 07, My tree is a little over than a year old and it's a product of grafting. I planted it on March of last year and it bore fruit for the first time on or near October. It was just a couple of fruit, but they were delicious.
Now the tree is full of fruit but there are two problems: 1. Before they ripen, most are turning black and drying up. 2. Depressions in fruit with dark colored puncture wounds; soft, mushy areas on fruit caused by larvae feedign on fruit; development of secondary rots often cause fruit to drop from tree; insects are small flies - the guava fruit fly is approximately 5 mm in length and is black and yellow in color; the Caribbean fruit fly may reach mm in length and is yellow-brown with long patterned wings.
Spray your guava tree just before flowering in the spring. Use a 25 percent solution of straight urea mixed with a wetting agent. Follow the instructions on the amount of wetting agent to add. Combine with the recommended amount of water in a hose end receptacle.