Plants Demand Respect

Unless the plant is saving a life, destroying one or damaging one is 'morally wrong.'
According to a Swiss Committee plants deserve some respect. And unless you have a justifiable reason, the Committee condemned the decapitation of flowers, among other sins.
Using plants for biotechnology is OK as well as genetic engineering because both of these procedures benefit our race as a whole just please leave the petals on that daisy.
Unless of course you want to go to hell. Source.