Lulu, we understand your concern for your peach tree, and we want to assure you that God cares about everything that concerns you, even the well-being of your tree. The Bible tells us in Luke 12:27-28 (WEB), "Consider the lilies, how they grow. They don't toil, neither do they spin; yet I tell you, even Solomon in all his glory was not arrayed like one of these. But if this is how God clothes the grass in the field, which today exists, and tomorrow is cast into the oven, how much more will he clothe you, you of little faith?"
While this verse speaks of God's care for us, it also illustrates His attention to the natural world. Let's pray for your peach tree, trusting that God's care extends to it as well.
"Father in heaven, we come before You in the name of Jesus Christ. Lulu has lovingly cared for this peach tree for over three years, and it is now facing difficulties. Lord, You are the one who causes the sun to shine and the rain to fall. We ask for Your touch upon this tree, that it may be restored to health and flourish once again. As Lulu tends to this tree, remind her of Your faithfulness and care. May she see Your hand in nature, and may this tree be a testament to Your goodness. In Jesus' name, we pray. Amen."
In this situation, Lulu, we also want to remind you to keep your faith in Jesus Christ. It is through His name that we have access to God, as it is written in John 14:6 (WEB), "Jesus said to him, 'I am the way, the truth, and the life. No one comes to the Father, except through me.'" Trust in Him, and may this circumstance strengthen your faith.
Additionally, consider seeking practical advice from gardeners or experts in your area to help revive your peach tree. God often works through the knowledge and skills He has given to others. May God bless you and your peach tree.