MICROGREEN BUSINESS GUIDE · MARYVILLE, IL

Start a microgreen business in Maryville, IL.

Most Maryville residents do not realize that living in Madison County, just across the river from St. Louis, puts them on the edge of one of the Midwest's busiest restaurant markets. While greens trucked into the Metro East lose flavor on the way, a tray grown right here in Maryville is harvested the morning it sells. With Glen Carbon, Troy, and Fairview Heights all minutes away and the whole St. Louis dining scene within reach, the demand for ultra-fresh microgreens is already here. Most people just have not connected the dots.

Quick Answer

You can start a microgreen business in Maryville with under $400 in initial equipment and grow it into a $1,500 to $3,500 per month side income within 90 days. Here is the local demand picture, the unit economics at Maryville wholesale prices, and the operating system used by working microgreen farms.

When you consider how far the produce in a Metro East grocery store traveled before it reached the shelf, what does that tell you about how a chef in Glen Carbon or Edwardsville would react to greens harvested that same morning?

What Maryville buys today

Chefs across the Metro East and into St. Louis rely on microgreens for plating, and the kitchens near Maryville are no different. Restaurants in Glen Carbon, Troy, and the Edwardsville corridor want pea shoots, radish, and micro-cilantro delivered fresh rather than trucked across the river half-wilted. A local grower offering same-day hand delivery has an edge no national distributor can match.

Farmers markets across Madison County and the Metro East move microgreens quickly, especially among shoppers who already pay extra for organic. Selling clamshells directly to families in Maryville, Troy, and Glen Carbon cuts out the middleman, and a single weekend table can outearn a small restaurant route. Once buyers taste the freshness, they come back every week.

Because microgreens grow indoors under lights, the heat, humidity, and hard winters of the St. Louis region all work in your favor. While outdoor gardens around Maryville stall, you keep harvesting year-round in a climate-controlled room, charging premium prices in the seasons when fresh local greens are hardest to find.

If a restaurant near Fairview Heights is already paying a distributor for tired micro-arugula trucked across the river, what would it take for them to switch to a grower right here in Maryville?

The math, in Maryville prices

Microgreens wholesale for roughly $25 to $40 per pound across the St. Louis and Metro East market, with chef-direct sales sitting at the high end of that band.

Startup cost

$400

Trays, soil, seed, lights. Used gear cuts this in half.

Per-tray net

$20-$30

After seed, soil, packaging, delivery.

Trays per week

100

Target for $3K-$5K/mo at Maryville pricing.

Break-even week

Week 4

First positive cash week. Most growers hit it.

What that looks like in Maryville square footage

A 10 by 10 foot room outfitted with vertical racks can produce enough weekly trays in Maryville to supply several restaurants and a market table at once.

Have you thought about how the St. Louis area's humid, swinging climate shuts down outdoor growing for stretches of the year, and how that scarcity drives up what indoor microgreens can charge?

Three things every working microgreen farm in Maryville runs on

A seed density and watering plan you trust. The number one cause of failed trays for new growers is over- or under-seeding. The cheat sheet inside Grown Like A Pro gives you grams per 10x20, soak hours, blackout days, harvest day, and watering for sixty-one varieties.
A rotation tracker. Once you are running thirty-plus trays per week, you cannot remember what is in blackout, what is in light growth, what harvests Tuesday. A spreadsheet works for the first month. After that you need a system that pings you the day before each harvest and reorders seed before you run out.
A customer + invoice layer. Restaurants in Maryville want predictable weekly invoices and net-15 terms. Farmers market customers want clamshell tracking. Both want consistency. The app handles both.

The IKEA test

If you can follow an IKEA instruction sheet without screaming at the family, you can grow microgreens at a commercial level in Maryville. The steps are about that difficulty: open the box, lay out the parts, follow the picture, repeat. Trays are the bookcase. Seed is the dowels.

If you ever did struggle with the IKEA bookshelf, that is exactly why Glappy lives inside the app. Glappy is the in-app coach that breaks every step down barney style, in your own language, from "how do I plant my first tray" to "why is this tray going leggy at day five and what do I do about it tonight." Type the question, get a step-by-step answer. There is no question too basic. The whole point is that a Maryville grower starting today is not on their own.

What you are not buying

You are not buying a course. You are not buying a hype product. You are not buying seed from us, and you are not buying trays from us. We do not sell either. Grown Like A Pro is the operating system you run your Maryville farm on. The growing happens in your basement.

Try Grown Like A Pro free for 30 days →

Maryville microgreen FAQ

How much can I make growing microgreens in Maryville?

A working microgreen farm in Maryville produces $3,000 to $8,000 per month within 90 days of starting. The math: 100 trays per week, $20 to $30 net revenue per tray, harvested in a basement, garage, or spare room. The ceiling is set by how many restaurants and farmers market customers you can serve, not by the growing setup.

Is it legal to sell microgreens in IL?

Yes. In most of Illinois, microgreens fall under the state's cottage food law for direct-to-consumer retail at farmers markets and to private customers. Restaurant wholesale typically requires a basic food handler permit. Verify with the Illinois Department of Agriculture before you sign a wholesale contract.

What microgreens sell best in Maryville?

Sunflower, pea shoots, and radish are the three highest-volume sellers in nearly every U.S. city, including Maryville. Broccoli is the highest-margin variety because of its sulforaphane reputation with health-focused buyers. Specialty varieties like amaranth and shiso command premium pricing from chef-driven restaurants.

How much space do I need to grow microgreens in Maryville?

A 10 by 10 foot room with two shelving units holds 60 to 80 active trays, which is enough to produce $3,000 to $5,000 per month. A basement, garage corner, spare bedroom, or sunroom all work in Maryville's climate. Vertical shelving is the fastest path to higher revenue per square foot.

What is the best app for tracking microgreen production in Maryville?

Grown Like A Pro is the operating system used by working microgreen farms in Maryville. It handles seed density math, watering schedules, harvest timing, inventory, customer orders, and the financial side. Free 30-day trial with no credit card.

How long does it take to learn to grow microgreens commercially?

Most growers in Maryville are selling their first trays within 30 days of starting. Commercial proficiency, meaning you can run 50-plus trays per week without losing crops to mold or under-seeding, takes 60 to 90 days. The seed density and watering math is the single biggest predictor of how fast you get there.

Do I need a license to sell microgreens in Maryville?

For farmers market and direct-to-consumer sales in Maryville, most growers operate under Illinois's cottage food law with no special license. For wholesale to restaurants and grocery stores, you typically need a basic food handler permit, a sales tax permit, and depending on volume, an inspection from your county health department.

How do I price microgreens to restaurants in Maryville?

Restaurant wholesale in Maryville runs $1.50 to $2.50 per ounce for standard varieties, $3 to $5 per ounce for specialty varieties like shiso, micro basil, or amaranth. Sell by the pound for repeat accounts. Local fresh commands a premium over the shipped-in product that most Maryville restaurants currently buy.

Related guides

Once you have the Maryville math in your head, the next read is the density chart that drives every tray you plant.

The Free Microgreen Seed Density Guide (the one piece of paper every Maryville grower needs)
All free grow guides