Who is God? This entire existence is God whereas what we see but is not real is illusion. Love for the existence, which is moving or still, is devotion. This is why a devotee worships trees, plants, mountains and rivers. This is love with a compassionate heart.
When we want a Tulsi leaf to worship Lord Narayan, we should worship Tulsiji and ask for forgiveness before plucking the leaf. This is compassion in devotion. Thus, in our scriptures there is an explanation of how a flower or leaf should be picked or a tree cut if it is necessary for the worship of God.
Even when a doctor wants a medicinal plant or part of plant, there is a process to follow. The plant or part of the plant is picked at the time when its strength is greatest. Is it true that plants have power?