Walk into a grocery store and you may see **green onions, scallions, spring onions, and chives** labeled as if they were the same thing. While they all have a fresh onion-like flavor, they are not identical. **Green onions and scallions are usually the same vegetable**, while spring onions are generally more mature and have a larger bulb. Chives are different altogether and are mainly used as a delicate herb or garnish.
Green onions, often called scallions, are young onions harvested before a large bulb develops. Both the white base and green leaves are edible. Their flavor is mild, with the white portion being slightly stronger. They are useful in salads, eggs, fried rice, soups, noodles, dips, potatoes, and many other dishes. The names can vary by region, so two bunches with different labels may actually look almost identical. For most recipes, **scallions can be substituted for green onions and vice versa**.
Spring onions are usually allowed to mature longer, giving them a noticeably larger, rounder bulb. Their flavor is stronger and sharper, especially when raw, although cooking makes them milder. They can be grilled, roasted, sautéed, added to salads and stir-fries, or used in soups and stews. When choosing between green onions and spring onions, the main difference to consider is how strong and substantial you want the onion flavor to be.
Chives are the biggest difference in this group because **“Chives are a separate plant species”** rather than a smaller green onion. They have very thin, hollow stems and a delicate onion flavor. Chives are excellent on baked potatoes, eggs, soups, salads, dips, creamy sauces, and other dishes where only a light onion taste is needed. They are especially good as a finishing garnish.
A simple way to remember the difference is this: **green onions** are young onions with small white bases, **scallions** are usually another name for green onions, **spring onions** are more mature with larger bulbs and stronger flavor, and **chives** are thin, delicate herbs. Once you know these basic differences, choosing the right ingredient—or making a substitution—becomes much easier.