What is the difference between 야채 and 채소?

Do you know how to say the word 'vegetable' in Korean?

There are two words to say it ;

야채 and 채소

But technically, they have different meanings.

야채 is the wild plants that you gathered from outside

채소 is what you grow and get from the farm or garden

However, most of Koreans don't really know their difference and use them randomly. So, You can use both of them as you want.