If you are planning to opt for roof top gardening, what you need is LED grow lights because these are capable of addressing your planting needs without even a single thing to worry about. You can really count on what these lights can offer. It is also very cheap as compared to other methods of gardening.
The best thing about grow lights is that it does not emit too much heat. This means that you will no longer need any heat cooling system for the plants to grow. These lights do not also contain heavy metals which make it eco friendly. It is something that you can really count on.
If you want to grow plants without harming the environment, this is definitely the best way to go. It can offer you just what you need so you will no longer have to worry about harming your plants. Grow lights are indeed very effective.