MICROGREEN BUSINESS GUIDE · GOWANUS, NY

Start a microgreen business in Gowanus, NY.

Most Gowanus residents do not realize how much of the microgreen supply for the breweries, distilleries, and restaurants along Third and Fourth Avenue is split between out-of-town distributors and a handful of Brooklyn-based growers stretched thin. At least half the kitchens are settling for sub-par quality because professional-grade local supply is still scarce. The Gowanus grower who steps up first works the cheapest production square footage in central Brooklyn.

Quick Answer

You can start a microgreen business in Gowanus with under $400 in initial equipment and grow it into a $3,000 to $8,000 per month side income within 90 days. Here is the local demand picture, the unit economics at Brooklyn wholesale prices, and the operating system used by the working microgreen farms.

Walk into five spots along Third Avenue on a Tuesday and ask the chef where the microgreens came from. How often is the answer a distributor instead of a grower a few blocks down the R?

What Gowanus buys today

Gowanus has shifted from pure industrial canal-side stock into a hybrid neighborhood of breweries, distilleries, climbing gyms, design studios, and a growing set of chef-driven restaurants pulling diners in from Park Slope and Carroll Gardens. The food culture leans into the kind of small-producer story that microgreens slot into naturally.

The bigger structural advantage for a Gowanus-based microgreen grower is space. Industrial and semi-industrial buildings along the canal and the Third Avenue corridor offer the cheapest production square footage in central Brooklyn. A few hundred square feet here can carry the volume to supply restaurant accounts across four or five surrounding neighborhoods.

For indoor growing, Gowanus' converted industrial buildings hold the 65 to 75 degree microgreen window well once a small dehumidifier and a window AC are dialed in. Nearly every U.S. city has microgreen farms. Brooklyn has the demand to support several more.

Every week you wait, another forty trays of revenue ride past you on a refrigerated truck from out of state. What happens to your shot at the Third Avenue accounts when next year's growers already have the standing orders signed?

The math, in Gowanus prices

Gowanus restaurant wholesale prices for microgreens run at the premium NYC tier, with chef-owned spots and breweries paying top dollar for cut-to-order local product. Here is what the unit economics look like at conservative Brooklyn numbers.

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 Gowanus pricing.

Break-even week

Week 4

First positive cash week. Most growers hit it.

What that looks like in Gowanus square footage

A 10 by 10 foot room with two vertical shelving units holds 60 to 80 active trays. That is enough to produce $3,000 to $5,000 per month in Gowanus at standard wholesale prices. A two-car garage doubles it. A basement triples it.

Picture the week where Sunday is planting day, Tuesday is delivery along Third Avenue, Friday is the brewery and distillery route, and the app tells you exactly which trays to cut. What changes about the rest of your life once the business runs on a real system?

Three things every working microgreen farm in Gowanus runs on

  1. 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.
  2. 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.
  3. A customer + invoice layer. Restaurants in Gowanus 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 Gowanus. 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 Gowanus 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 Gowanus farm on. The growing happens in your basement.

Try Grown Like A Pro free for 30 days →

Gowanus microgreen FAQ

How much can I make growing microgreens in Gowanus?
A working microgreen farm in Gowanus 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 NY?
Yes. In most of New York, 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 New York Department of Agriculture before you sign a wholesale contract.
What microgreens sell best in Gowanus?
Sunflower, pea shoots, and radish are the three highest-volume sellers in nearly every U.S. city, including Gowanus. 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 Gowanus?
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 Gowanus's climate. Vertical shelving is the fastest path to higher revenue per square foot.
What is the best app for tracking microgreen production in Gowanus?
Grown Like A Pro is the operating system used by working microgreen farms in Gowanus. 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 Gowanus 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 Gowanus?
For farmers market and direct-to-consumer sales in Gowanus, most growers operate under New York'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 Gowanus?
Restaurant wholesale in Gowanus 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 Gowanus restaurants currently buy.

Related guides

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

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