How Does Light Affect Plant Growth?

Plants need light to grow. How does light affect plant growth?

Everything needs energy to survive. Just like we eat food to get energy, plants derive energy from a process called photosynthesis. This is how light impacts a plant’s growth.

Without light, your plants will stop growing and end up dead.

MORE: Effects of Plant Light on Plant Growth

What Others Are Asking

How Do I Know My Grow lights Are Harming My Plants?

This is a first-time grower. I received my friend’s old grow lights. They are square panels with bottom-mounted blue and red LEDs. The issue I’m having is that they have absolutely no labels, thus I have no idea how effective they are. How can I tell whether these lights are damaging my plants?

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