How To Care For A Guava Tree. Guavas need fertile soil to grow and produce well. Provide regular water during the growing season and reduce watering during the winter.
This helps promote growth and development of the upper part of the tree. Caring for a Guava TreeIf you are lucky enough to live in a region where guava plants grow outside the tree should be planted in well-drained. Guavas need fertile soil to grow and produce well.
Ensure they are well-watered during prolonged dry seasons.
You can also use a circulating air fan or even spray the tree with water to help insulate it from frost. Stringing the guava with Christmas lights is another way to protect the tree during freezing temperatures. It is advisable to suspend the fertilizer during the winters. The best-known fertilizers for guava are 6-6-6-4 8-8-8-2 and 8-8-8 fertilizers.