I want to stop my plant from growing so tall. I want it to grow from the sides. Which hormone should I STOP using?

My tomato seed wont grow. Which hormones can I use to make it start growing?

My beautiful cherry tree is growing old. Its leaves and flowers are falling. This is because of?

This red rose is blooming. This is because of?

I want to stop my seed from growing. I DONT want it to grow. Which hormone should I give it?

My plant is losing a lot of water because it is hot today. Which hormone should I give it so that it will stop losing water?

If I stop giving my plant auxins, it can still grow and turn towards the light from the sun.