Guavas Don’t Ripen On Tree, Why?

Question

Fruit don’t fully develop on the tree

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Answer 1

They may be lacking in fertilization, water, or sunshine. Compare your tree's culture with these tips:

https://www.gardeningknowhow.com/edible/fruits/guava/growing-guava-fruit-trees.htm

https://www.gardeningknowhow.com/edible/fruits/guava/when-is-guava-fruit-ripe.htm