Low carb diet is about lowering the amount of carbs someone consumes, only some vegetables that have many carbs or starches are best to avoided, because they have more then 60% of their content in the form of carbs vs less then 10% for other vegetables. on the list to avoid, or eat limited amounts are Potatoes, rice, grains.

Since the muscles can help storing carbs, it's possible to still eat Potatoes, rice, and grains around every 4 days, and depending on activity level.

For example: Broccoli has 6 gram of carbs per 100 gram vs rice that has 80 grams of carbs per 100 gram.