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How to Grow Your Own Food Indoors: The Best Way to Learn Microgreens

If you have scrolled the news lately, you have seen the headlines: another leafy greens recall, another pesticide report, another reason to wonder what is actually in the produce you buy. The word "fresh" on a label tells you very little about what was sprayed on your food before it ever reached the shelf. You are not imagining it, and you are not alone. More people than ever are deciding to take a little control back and grow some of their own food at home, because the surest way to know your food is clean is to grow it yourself. The good news is that you do not need a backyard, a greenhouse, or a green thumb to start. The easiest entry point is microgreens, and you can grow your first tray of clean, fresh food on a kitchen counter in about a week to ten days.

After 7+ years of growing microgreens commercially and at home, here is the honest version: the growing itself is simple once someone shows you the few things that actually matter. That is exactly what our learning resources are built to do. In this guide we will walk through why so many people are growing their own food right now, why microgreens are the smartest place to begin, and the three best ways to learn, from a $3.99 printable guide to our complete Microgreen Masterclass.

Mandi Vaughn of On The Grow checking China Rose radish and broccoli microgreens under grow lights

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Why More People Are Growing Their Own Food Right Now

The interest in home food growing is not a niche hobby anymore. In a 2025 Frontdoor survey, 71% of Americans said they planned to grow some of their own food, and nearly half said they were worried about the safety or quality of what is sold at the grocery store. People are growing to save money, to eat better, and to know exactly where their food came from.

Two things keep showing up in the headlines that drive this:

  • Food recalls and outbreaks. The most recent reporting points to a sharp rise in foodborne illness tied to recalled food, and leafy greens are repeatedly among the most common sources of E. coli and Listeria outbreaks. You can track active produce recalls through the FDA's produce safety resources.
  • Pesticide residue. According to the Environmental Working Group's 2026 Shopper's Guide to Pesticides in Produce, the majority of non-organic produce samples carried pesticide residues, and most items averaged four or more different pesticides each. Spinach again tops their Dirty Dozen list, with kale, collard, and mustard greens at number two and strawberries close behind. For the first time, the 2026 report also tested for PFAS, the so-called forever chemicals, and found them on most of the Dirty Dozen samples.

Here is the detail most people miss. Spinach, kale, and mustard greens are some of the most pesticide-heavy crops on that list, and they are also some of the easiest things in the world to grow as microgreens on your own counter. When you grow them yourself, you decide what does and does not touch your food.

Handful of freshly harvested broccoli microgreens with clean white stems and deep green cotyledons held over the grow space

Why Microgreens Are the Easiest Food to Grow Indoors

People often start with big plans for a backyard garden, then get discouraged by pests, weather, and the months of waiting. Microgreens skip almost all of that. They are the fastest, most forgiving, and most space-efficient way to grow real food indoors, which is why we recommend them as the first step for nearly everyone.

  • They are fast. Most microgreens are ready to harvest in 7 to 21 days. Beginner crops like radish can be done in 6 to 10 days, and broccoli in about 8 to 11.
  • They fit anywhere. A single tray fits on a windowsill or a shelf. You do not need a yard. See our guide to the best microgreens for small spaces if you are working with an apartment or tiny kitchen.
  • They grow year-round, in any climate. Indoors, under a simple grow light, the weather outside does not matter. We have grown through Texas summers and droughts without missing a harvest.
  • They use very little water. Microgreens are remarkably water-smart compared to mature vegetables. We broke down the real numbers in our microgreens vs. mature vegetables comparison and our drought growing guide.
  • They are nutrient dense. The landmark 2012 study from the University of Maryland and USDA found that many microgreen varieties contained 4 to 40 times more nutrients than their mature counterparts. You can read the University of Maryland summary of the research here.

If you want to see what this actually looks like in a real grow space before you commit to anything, watch our full beginner walkthrough below, and browse our on-site Video Library for more free tutorials.

You Decide What Goes Into Your Food

This is the part that pulls most new growers in. When you grow microgreens at home, you control the entire chain: the seed, the water, the medium, and the conditions. There are no field sprays, no long supply chain, and no question marks. You harvest and eat the same day.

That control starts with your seed. We always recommend food-grade seed sold specifically for sprouting or microgreen growing from a reputable supplier. You can find a wide selection through True Leaf Market. Never use bird seed, animal feed, or any seed treated with fungicide or other coatings, which are often dyed bright colors as a warning. We cover this in detail in our microgreen seed quality and food safety guide.

A grower holding fresh microgreens in the On The Grow grow space

Microgreens and Sprouts Are Not the Same Thing

People sometimes lump microgreens in with sprouts, but the FDA treats them very differently. Sprouts are grown in warm, humid water and the entire seed, root, and shoot is eaten, which is why they carry a higher contamination risk. Microgreens are grown in a medium with airflow and light, and you only harvest the stem and leaves above the medium line. That is also why we do not eat microgreen roots like sprouts. If you want the full breakdown, see our sprouts vs. microgreens comparison.

Growing at home is not a free pass on food safety, but it is a huge step up in control. Use quality seed, clean trays, rinse your greens right before eating, and you have a fresh food source that you trust completely.

The 3 Best Ways to Learn How to Grow Microgreens

You can absolutely piece things together from free videos and trial and error. We did, the hard way, over years. But if you want to skip the wasted trays and learn it right the first time, we built three resources for three different kinds of learners. You can also find all of our learning materials together in our Microgreen and Gardening Education collection.

On The Grow Beginner's Guide PDF, Becoming a Microgreen Master book, and Microgreen Masterclass course side by side

1. The Beginner's Guide PDF (Start Here)

Our Beginner's Guide to Growing Microgreens is the lowest-risk way to start. Written by Mandi, it is a 40-plus page printable guide that walks you through the entire process, from choosing seed to harvest, in one organized resource you can keep next to your trays. At $3.99, it costs less than a single clamshell of greens at the store.

Best for: total beginners who want every step in one affordable, printable place before spending money on gear.

Mandi from On The Grow holding the printed Beginner's Guide to Growing Microgreens

2. Becoming a Microgreen Master (The Book)

If you prefer a physical book you can highlight, dog-ear, and keep on the shelf, Becoming a Microgreen Master is our complete print guide, now shipped to readers in 80+ countries. It is also available as a digital eBook for $19.97 if you would rather read on a device. We broke down everything inside it in our complete book guide.

Best for: people who learn best from a reference book, and anyone looking for a thoughtful gift for a new grower.

Becoming a Microgreen Master book held in front of trays of microgreens in the On The Grow grow space

3. The Microgreen Masterclass (The Full Course)

When you are ready to go all in, the Microgreen Masterclass is the complete training we wish we had when we started. It is $197 for lifetime access to 11 modules and 60+ video lessons covering every growing method, troubleshooting, and even the business side if you decide to sell. You can preview exactly what is inside on the course page or read our full Masterclass breakdown.

Best for: serious home growers who want mastery, and anyone planning to turn microgreens into income.

Inside the Microgreen Masterclass course dashboard showing the Who is On The Grow welcome lesson

Which One Is Right for You?

  • Curious and budget-conscious: Start with the Beginner's Guide PDF.
  • Hands-on learner who loves a real book: Get Becoming a Microgreen Master.
  • All-in, or thinking about a business: Enroll in the Microgreen Masterclass.

There is no wrong door. Many of our readers start with the PDF, fall in love with growing, and move up to the course later. They build on each other.

From Your First Tray to a Microgreens Business

Most people start growing microgreens for their own kitchen. Some discover they have a knack for it and want to turn it into something more, whether that is a few extra dollars at the farmers market or a real side income selling to restaurants. Microgreens are one of the most accessible food businesses to start because the space, water, and startup costs are so low.

If that interests you, our complete guide to selling microgreens covers pricing, permits, and getting your first customers, and the business side is built into the Masterclass as well. Just know that the growing always comes first. Learn to grow a consistent, clean tray, then scale.

Several packaged and labeled containers of microgreens at farmers market booth in Lucas, Texas

What You Need to Grow Your First Tray

You can start with almost nothing, but a few simple items make the first tray far more likely to succeed:

  • A tray and medium. Our 7x14 Microgreen Tray Kit is a beginner-friendly, counter-sized starting point. If you want a clean, no-soil grow you can reuse for years, look at our reusable silicone grow mediums.
  • Quality seed. Food-grade microgreen seed from True Leaf Market. Radish and broccoli are the most forgiving first crops.
  • A little light. A sunny window works to start, though a simple grow light gives you faster, more even results year-round.

From there, follow our beginner's guide to growing microgreens or our complete step-by-step guide and you will have fresh greens in about a week. Beyond the food, a lot of growers tell us the daily ritual is calming, something we have written about in our post on the mental health benefits of growing microgreens.

Radish microgreens with purple stems growing in the On The Grow 7x14 tray kit

Frequently Asked Questions

Can you really grow enough food indoors to make a difference?

Microgreens will not replace your whole grocery list, but they deliver far more than their small size suggests. A few trays on rotation give you a steady supply of fresh, nutrient-dense greens for salads, sandwiches, eggs, and smoothies, harvested the same day you eat them. For their footprint and grow time, very little else compares.

Are microgreens safe to grow and eat at home?

Yes, when you follow a few basics. Use food-grade seed from a reputable supplier, never bird seed or treated seed, keep your trays and tools clean, harvest above the medium line, and rinse your greens right before eating. Microgreens are not classified as a high-risk food the way sprouts are, but good practices still matter.

Do I need a green thumb or special equipment?

No. This is the most beginner-friendly food you can grow. A tray, food-grade seed, water, and a sunny window or a basic grow light are enough to start. The learning curve is short, especially with a guide walking you through it.

Which should I get first, the PDF, the book, or the course?

If you are just testing the waters, start with the $3.99 Beginner's Guide PDF. If you love a physical reference, get the book. If you want complete mastery or plan to sell, go straight to the Microgreen Masterclass. They are designed to build on each other, so you can always move up later.

Can I make money growing microgreens?

Many people do, from small farmers market stands to restaurant accounts. The startup cost and space requirements are low compared to most food businesses. Start by learning to grow consistent, clean trays, then read our guide to selling microgreens and verify the rules in your area before you sell anything.

How are microgreens different from store-bought greens?

You grow them, harvest them, and eat them fresh, so there is no long supply chain, no field spraying, and no recall to worry about. You also choose every input, from the seed to the water, which is the whole appeal for growers concerned about pesticides and food safety.

Ready to Start Growing?

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This post contains affiliate links. We may earn a small commission on qualifying purchases at no extra cost to you. We only link to products we use and recommend. See our full affiliate disclosure here.

Nutritional information shared throughout this blog is based on commonly available research, peer-reviewed studies, and public health sources. We are not nutritionists, dietitians, or medical professionals, and nothing in this post should be taken as medical or nutritional advice. Always consult a qualified healthcare provider for personal dietary guidance.

The business information in this blog is based on our personal experience and is for educational purposes only. Local food safety, licensing, and business requirements vary by location. Always verify current rules with your local health department and department of agriculture before selling.

— On The Grow®, LLC

Happy growing!

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