The phrase "fresh vegetables" means vegetables that are recently harvested or obtained and haven't been stored or processed for a long time. They are still full of nutrients, taste better and have a longer shelf life. Full definition
There had been little change in the relative importance of fresh vegetable exports with carrots dominant and onions, potatoes and asparagus significant. (ausveg.com.au)
Meals — plentiful and made with fresh vegetables from the garden — are available at an extra cost. (wander-lush.org)
Also, ensuring I have plenty of fresh vegetables in my diet provides my body with the vitamins and minerals I need to increase energy and boost my metabolism. (mindbodygreen.com)