Most people walk into the grocery store with good intentions and no plan. They grab whatever bag of salad is closest to the entrance, maybe a bunch of bananas, and head for the checkout. If eating more greens is the goal, a little knowledge about where things actually live in the store can save you money, time, and a lot of wilted lettuce.

Start in the produce section, and head for the leafy greens before anything else. Kale, spinach, collard greens, Swiss chard, mustard greens, turnip greens, arugula, and romaine are usually clustered together on a misted wall or a slanted rack. Pick up each bunch and look at it. Leaves should be firm and evenly colored, with no yellowing edges, brown spots, or slimy patches. Stems should snap rather than bend. If you can, buy greens that are in season and grown nearby, since they tend to be cheaper and last longer.

The bagged greens and salad kits sitting in the refrigerated case nearby are convenient, but they cost more per ounce than a whole head of the same vegetable. That trade-off is fine on a busy week. Just check the bag for excess moisture, which speeds up spoilage, and look at the date on the package. Smaller bags of arugula, spinach, and mixed greens often sit right above the herbs. That is also where you will usually find sprouts and microgreens, sometimes on a separate rack near the front of the department. These are delicate and pricey, so buy only what you will use in a few days.

Then walk to the frozen aisle, which is the most underrated stop in the store for anyone trying to eat more greens. Frozen spinach, kale, collards, and mixed green blends are picked and frozen at peak freshness, which locks in nutrients, and they cost a fraction of what fresh greens do. There is no waste, no wilting, and no rush to cook them. Read the bag carefully, though. Plain frozen greens contain one ingredient. The ones with butter sauce, cheese, or seasoning blends can carry a lot of sodium and added fat, and the vegetable becomes a side note in its own package.

The canned aisle deserves a visit too, especially for collard greens, mustard greens, and spinach. Canned greens are shelf-stable, cheap, and ready in minutes. Their main drawback is sodium, which can be high, so look for low-sodium versions or rinse the greens in a colander before cooking. While you are in that aisle, grab canned pumpkin, artichoke hearts, and beans, all of which stretch a meal and add fiber.

Do not skip the international aisle. This is where you will find nori sheets, wakame, kombu, dried mushrooms, and toasted seaweed snacks, often at better prices than the health food section. The same aisle usually carries chia, flax, and hemp seeds, plus frozen or shelf-stable edamame. If your store has bulk bins, those are a smart place to buy small amounts of seeds and grains before committing to a full container.

The natural foods aisle is where greens powders and algae supplements live. Spirulina, chlorella, barley grass, wheatgrass, and matcha are all here, sometimes in several brands. Read the ingredient list from top to bottom, since ingredients are listed by weight. If sugar, maltodextrin, or a long list of fillers shows up before the greens, put it back. Compare cost per serving rather than the sticker price on the tub. A large container seems like a bargain until you realize it holds thirty servings instead of sixty.

One last habit makes all of this easier. Shop the perimeter of the store first for fresh items, then move into the aisles with a short list. Buy store brands when they are available, check the unit price on the shelf tag, and skip the giant tub of anything you have never tasted. Small, consistent purchases beat one ambitious haul that goes bad in the crisper drawer.