This type of green tomato is indeed a tomato that has been harvested before fully ripening. As a result, unripe green tomatoes are generally pretty firm, not very juicy, and have a tart flavor.
At first glance, green tomatoes can be a bit confusing -- aren't they just red tomatoes that haven't yet ripened? Sometimes, but there are actually two distinct categories in which you can place green ...
If you’re a tomato grower, you’re probably focused on that moment when the fruit is perfectly ripe — soft, juicy and, in many cases, red. You may not want to sacrifice any of those fleeting specimens ...