MICROGREEN BUSINESS GUIDE · OLD WESTBURY, NY

Start a microgreen business in Old Westbury, NY.

Most Old Westbury residents do not realize how few of the microgreens served at private estate dinners and across the surrounding Westbury and Jericho restaurant base were grown anywhere nearby. Private chefs and caterers are mostly buying greens trucked in by distributors. The Old Westbury grower who fixes that is in prize position with the most affluent buyer base on Long Island.

Quick Answer

You can start a microgreen business in Old Westbury 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 Gold Coast wholesale prices, and the operating system used by the working microgreen farms.

Walk into the private chef and catering networks serving Old Westbury estates and ask where the microgreens are sourced. How often is the answer a Nassau grower instead of a distributor truck?

What Old Westbury buys today

Old Westbury is a wealthy, almost entirely residential village built around former Gold Coast estates, with Old Westbury Gardens drawing year round tourism and event volume. The wholesale opportunity here is not storefront restaurants but the private chef, caterer, and event channel that serves the estate community plus the surrounding country clubs.

The location is the leverage point. Adjacent Westbury, Carle Place, Jericho, Roslyn, and East Hills all sit within a 10 minute drive, putting two dozen wholesale restaurant and brunch accounts inside a single delivery loop on top of the private chef lane. Buyers in this corner of Nassau pay for quality without negotiation.

For indoor growing, the climate is the standard inland Nassau pattern of humid summers and cold winters. A basement, garage, or spare bedroom with a small dehumidifier and window AC holds the 65 to 75 degree microgreen window year round, so the climate stops being a constraint within the first month of operation.

Every week you wait, another estate caterer and private chef builds their standing order around a distributor truck. What does it cost you when next year's growers are the ones with the Old Westbury private chef accounts?

The math, in Old Westbury prices

Gold Coast wholesale microgreen prices sit at the premium tier when the buyer is a private chef, estate caterer, or country club, with consistent weekly volume at top dollar. Here is what the unit economics look like at conservative Old Westbury 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 Old Westbury pricing.

Break-even week

Week 4

First positive cash week. Most growers hit it.

What that looks like in Old Westbury 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 Old Westbury at standard wholesale prices. A two-car garage doubles it. A basement triples it.

Picture the week where Sunday is planting, Tuesday is delivery covering Old Westbury private chefs and Westbury restaurants, Saturday is the market, and the app tells you exactly which trays to cut. What changes about how you spend your other four days when the business runs on a system?

Three things every working microgreen farm in Old Westbury 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 Old Westbury 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 Old Westbury. 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 Old Westbury 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 Old Westbury farm on. The growing happens in your basement.

Try Grown Like A Pro free for 30 days →

Old Westbury microgreen FAQ

How much can I make growing microgreens in Old Westbury?
A working microgreen farm in Old Westbury 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 Old Westbury?
Sunflower, pea shoots, and radish are the three highest-volume sellers in nearly every U.S. city, including Old Westbury. 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 Old Westbury?
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 Old Westbury's climate. Vertical shelving is the fastest path to higher revenue per square foot.
What is the best app for tracking microgreen production in Old Westbury?
Grown Like A Pro is the operating system used by working microgreen farms in Old Westbury. 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 Old Westbury 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 Old Westbury?
For farmers market and direct-to-consumer sales in Old Westbury, 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 Old Westbury?
Restaurant wholesale in Old Westbury 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 Old Westbury restaurants currently buy.

Related guides

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

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