How to Eat 30 Plants a Week

What does “30 plants a week” mean?

The goal is to eat 30 different plant foods over seven days. Each distinct plant counts once during the week, even if you eat it several times. An apple on Monday and another apple on Friday still count as one type; an apple and a pear count as two.

This is a dietary-variety challenge, not a rule that replaces established nutrition guidance. Thirty is a memorable target inspired by observational microbiome research. It is not a medically necessary threshold, and eating 29 plants is not meaningfully different from eating 30.

Build from meals you already eat

You do not need 30 elaborate recipes. A few varied meals can cover much of the week:

• Breakfast: oats, blueberries, banana, walnuts, chia seeds, and cinnamon.
• Lunch: whole-grain bread, hummus, chickpeas, tomato, cucumber, lettuce, and sesame.
• Dinner: brown rice, black beans, corn, avocado, red pepper, onion, and cilantro.
• Snacks: an apple, almonds, carrots, or a small portion of mixed nuts.

That example is illustrative, not a prescribed meal plan. Adapt it for your culture, budget, allergies, medical needs, and the foods available to you.

Seven easy ways to add variety

1. Choose a mix. Mixed frozen vegetables, beans, seeds, or unsalted nuts can add several plants with one purchase.
2. Rotate familiar staples. Try barley instead of rice, black beans instead of chickpeas, or pears instead of apples.
3. Add one plant to breakfast. Berries, seeds, nuts, or oats make an easy starting point.
4. Use herbs and spices. They contribute smaller amounts in the 30Plants scoring system, but they still add variety and flavor.
5. Keep frozen and canned options nearby. Plain frozen produce and no-salt-added or rinsed canned beans are convenient and reduce waste.
6. Count ingredients, not product names. A bean salad may contain beans, tomato, cucumber, onion, parsley, and lemon.
7. Try one new plant each week. Slow, repeatable change is more useful than a single perfect week.

Do portions matter?

30Plants tracks whether a distinct plant appeared in your week; it does not measure servings, calories, or overall dietary quality. Portion size still matters for nutrition, and a small garnish is not equivalent to a serving of vegetables. Use the challenge as one lens on variety alongside advice appropriate to you.

What should you count?

In 30Plants, fruits, vegetables, whole grains, legumes, nuts, and seeds each earn one Plant Point per week. Herbs, spices, coffee, tea, and extra-virgin olive oil earn quarter-points. Read the full What Counts as a Plant? guide for examples and edge cases.

Why focus on variety?

Different plant foods contain different fibers and plant compounds. A large citizen-science study reported an association between eating more than 30 types of plants per week and differences in gut microbial diversity compared with eating 10 or fewer. Because this was observational research, it cannot show that the number 30 caused better health. Our science guide explains the finding and its limitations.

This page is for general education and is not medical or nutrition advice. If you have allergies, digestive symptoms, or a medical condition, seek individualized guidance from a qualified healthcare professional.