Most non-starchy vegetables have 0.5–3 g sugar per 100 g; starchy picks (corn, peas, beets) can reach 6–9 g per serving.
Curious about natural sugar in your salad bowl or stir-fry? This guide breaks down typical sugar ranges for popular vegetables, why numbers differ from veg to veg, and how serving size and cooking change what ends up on your plate. You’ll also get quick charts you can scan at a glance, plus shopper tips that keep taste high and sugar modest.
How Much Sugar In Vegetables? By Type And Serving
Sugar varies with the plant family, maturity, and water content. Leafy greens and watery veg tend to be lowest. Roots and sweet kernels land higher. All figures below refer to raw vegetables unless noted, and they reflect total naturally occurring sugars, not added sugars.
Quick Chart: Sugar In Popular Vegetables
Tip: Use this as a ballpark. A heaping cup or a small tomato can nudge numbers up or down.
| Vegetable (raw) | Sugar / 100 g | Typical Serving Sugar |
|---|---|---|
| Spinach | ~0.4 g | ~0.1 g (1 cup, 30 g) |
| Broccoli | ~1.4 g | ~1.3 g (1 cup, 90 g) |
| Zucchini | ~2.5 g | ~3.1 g (1 cup, 124 g) |
| Tomato | ~2.6 g | ~2.4–3.2 g (small–medium) |
| Cabbage | ~3.1 g | ~2.8 g (1 cup chopped, 89 g) |
| Carrots | ~4.7 g | ~3.4 g (½ cup, 72 g) |
| Onion | ~4.3 g | ~6.8 g (1 cup, 160 g) |
| Green Peas | ~5.7 g | ~8.2 g (1 cup, 145 g) |
| Sweet Corn (kernels) | ~6.3 g | ~9.1 g (1 cup, 145 g) |
| Beets | ~6.8 g | ~9.2 g (1 cup, 136 g) |
| Sweet Potato | ~4.2 g | ~5.6 g (1 cup cubes, 133 g) |
What “Total” Sugar Means On Veggie Nutrition Panels
Labels list total sugars, which includes natural sugars inside the vegetable. That’s different from added sugars that brands mix into packaged foods. If you want the official definition and label line, see the FDA page on added sugars. Vegetable sugars are naturally occurring.
Sugar In Vegetables By Category: Low, Medium, Higher
You’ll notice patterns. Leaves and watery fruit-vegetables are low. Roots, pods, and kernels sit higher because they store energy for the plant.
Lower Sugar Picks (Great For Big Portions)
These usually stay under ~3 g sugar per 100 g: spinach, zucchini, broccoli, lettuce, cucumbers, celery, mushrooms, cauliflower, tomatoes. Build your bowl around these when you want volume with a light sugar lift.
Middle Of The Pack
Think 3–5 g per 100 g: carrots, onions, cabbage, bell peppers, eggplant, green beans. These add crunch and color without pushing totals up fast.
Higher Sugar (Still Nutritious)
Peas, sweet corn, beets, winter squash, sweet potatoes, plantains (green when used as a veg) trend higher per serving. They’re rich in fiber and micronutrients, so portion size is the lever.
Why Vegetables Differ In Sugar
Plant Role And Storage
Leaves like spinach run low because they’re mostly water and fiber. Pods and kernels (peas, corn) pack more natural sugars and starch to fuel growth. Roots such as beets store energy underground, so they land higher on the chart.
Ripeness, Variety, And Season
Riper tomatoes taste sweeter because acids drop a bit while sugars rise. Varieties matter too: red bell peppers are sweeter than green; sweet corn is sweeter than field corn. Season can shift water content and flavor, which tweaks grams at the margins.
Serving Size Drives The Math
Nutrition facts follow the serving printed on the panel. A small tomato shows fewer grams than a cup of cherry tomatoes. That doesn’t make one “good” and the other “bad” — it’s just a different portion.
How Cooking Changes Sugar Numbers
Water Loss Concentrates Sugars
Roasting or sautéing removes water, so grams per 100 g look higher even when the total sugar in the pan hasn’t changed. The veg tastes sweeter because flavors concentrate.
Boiling And Steaming
Gentle steaming keeps sugars inside. Boiling in lots of water can leach a little sweetness into the pot. With peas and corn, the change is small; most of the sweetness stays in the bite.
Purees And Mashes
Blending or mashing doesn’t add sugar, but it reduces particle size and makes flavors pop. Pair purees with protein or a drizzle of olive oil to keep the meal balanced and satisfying.
How To Read Labels For Vegetable Sugar
Fresh produce sold loose won’t have a label. Bagged salads, canned vegetables, and jars do. Two quick checks:
- Total Sugars: This is the natural sugar inside the vegetable (and any added sugar, if present).
- Added Sugars: Should be 0 g for plain veg. If you see grams listed, the product has sweeteners. The FDA explains this line in detail on its Nutrition Facts guidance.
Practical Ways To Keep Sugar Modest While Eating Plenty Of Veg
Build A 2:1 Base
For a hearty bowl, use two parts lower sugar veg (greens, zucchini, broccoli, cauliflower) to one part sweeter veg (peas, corn, beets, squash). You’ll get color and texture with a gentle sugar curve.
Add Protein And Fat
Grill chicken or tofu over a beet-orange salad, or toss peas through eggs. Protein and fat slow digestion and make sweetness feel balanced.
Roast Smart
Roast carrots and beets with plenty of bulk from cabbage or cauliflower. Lemon juice and herbs keep the dish bright without adding sugar.
Count The Sauces
Jarred sauces can add sugar grams fast. Look for “0 g added sugar” on the label or keep the portion small. Tomato-based sauces vary widely, so a quick glance helps.
Data Notes And Method (Short And Useful)
Numbers in the first chart come from large nutrient datasets used by dietitians and researchers. You can search individual vegetables in USDA FoodData Central to see full panels and alternate serving sizes. Where a source lists a serving (like 1 cup), per-100-gram values were estimated from that serving weight.
Lower Sugar Building Blocks (Easy Mix-And-Match)
Use these as the base for bowls, salads, and sautés. Keep portions generous; add a scoop of a sweeter veg for contrast.
| Vegetable (raw) | Handy Serving | Approx. Sugar |
|---|---|---|
| Spinach | 1 cup (30 g) | ~0.1 g |
| Zucchini | 1 cup chopped (124 g) | ~3.1 g |
| Broccoli | 1 cup florets (90 g) | ~1.3 g |
| Tomato | 1 small (≈90–120 g) | ~2.4–3.2 g |
| Cabbage | 1 cup chopped (89 g) | ~2.8 g |
| Cauliflower | 1 cup chopped (≈100 g) | ~2–2.5 g |
| Mushrooms | 1 cup sliced (≈70 g) | ~1–2 g |
Sample Plates With Balanced Sweetness
Grilled Veg Platter
Half the tray with zucchini, peppers, and mushrooms; the other half with carrots and onions. Add olive oil, garlic, and salt. Serve with yogurt dip. Plenty of veg, light on sugar per bite.
Bean And Veg Soup
Start with onion, celery, and carrots. Add tomatoes, white beans, and chopped cabbage. Finish with herbs and lemon. Sweet notes come from carrots and onion, while the base stays light.
Power Salad
Spinach, cucumber, and tomato as the base. Add a spoon of roasted corn or peas for sweetness. Top with tuna or chickpeas and a squeeze of citrus.
Key Takeaways You Can Use Tonight
- Most leafy and watery vegetables land under ~3 g sugar per 100 g.
- Peas, corn, beets, and sweet potatoes climb higher per serving, but they’re nutrient-dense. Use modest scoops.
- Cooking changes concentration, not the total sugar in the pot.
- Fresh veg should show 0 g added sugars on packaged labels; the “total sugars” line reflects natural sugars inside the plant.
- Build plates around lower sugar veg and add small hits of sweeter veg for color and flavor.