Sustainable Dining: How to Add a Greenhouse to Your Restaurant for Fresh, Local Ingredients

A restaurant greenhouse lets you grow herbs, greens and microgreens steps from your kitchen, and it can even become a dining room guests remember. For most restaurants, the smart start is a small growing greenhouse for herbs and greens. A glass house or dome for dining can come later.

āœ… Quick answer

  • Grow first: herbs, microgreens, salad greens and edible flowers give the best value per square foot.
  • Two kinds: a growing greenhouse feeds the kitchen; a dining greenhouse or dome seats guests.
  • Size: a 10x14 greenhouse is a practical start for a cafe or small restaurant.
  • Rules: call your health department and building department before you build. Rules vary by county.
  • Payback: divide the greenhouse cost by the net produce savings each month (formula below).
Guests seated at a table inside a T-shaped Janssens Victorian glass greenhouse
A T-shaped Janssens glass greenhouse set up for dining. Glass houses like this make a memorable private table. Photo courtesy of Exaco/Janssens.

We are a small, woman-owned greenhouse business in Georgia. We help home gardeners, schools, cafes and restaurants choose greenhouses, and we answer every question personally. This guide covers what we tell food businesses before they buy.

Why are restaurants adding greenhouses?

Diners want food that is fresh, local and seasonal. A greenhouse on site is the most local supply there is. Here is what owners tell us they want from one:

  • Peak freshness: herbs and greens picked minutes before service, not days before.
  • Year-round supply: a greenhouse stretches the season, so basil and lettuce don't vanish in winter.
  • Unusual ingredients: chefs can grow edible flowers, rare herbs and specialty greens that are hard to buy.
  • A story for the menu: "grown on site" is a line guests notice and remember.
  • Less waste: you harvest what you need, so less produce wilts in the walk-in.

A greenhouse also needs care every day. It works best when someone on the team owns it, just like the line or the bar.

A chef placing grilled meat onto a plate of fresh herbs
Fresh herbs are often the first thing chefs grow themselves. They are used daily and lose flavor fast in storage.

What can a restaurant grow in a greenhouse?

Focus on crops that are high value, quick to harvest and used every day. Big field crops like potatoes or corn are rarely worth the greenhouse space.

Crop Menu use Why it suits a greenhouse
Microgreens Garnish, salads, plating Ready in about 1 to 3 weeks; grow on shelves in trays
Basil, cilantro, parsley, chives Sauces, finishing, cocktails Cut-and-come-again; basil hates cold, so cover protects it
Salad greens Salads, sandwiches Cool-season crops that thrive in a winter greenhouse
Edible flowers Desserts, cocktails, plating Delicate and costly to buy; easy to pick fresh
Tomatoes, peppers, cucumbers Seasonal specials Need height and heat; great flavor, but more space
Citrus and figs in pots Zest, garnish, decor Need frost protection in most of the US; look beautiful in a dining greenhouse
Basil plants in terracotta pots on a wooden table outdoors
Basil is a top pick for restaurant growing. It is used daily, bruises easily in shipping and dies at the first frost outdoors.

šŸ’” Start with your receipts: pull 3 months of produce invoices. Circle the herbs and greens you buy every week. Those are the crops to grow first.

Growing greenhouse or dining greenhouse: which restaurant greenhouse do you need?

Restaurants use greenhouses in two very different ways. Decide which job comes first, because it changes the model, the permit and the budget.

  • A growing greenhouse sits near the kitchen door and is all about plants. It needs light, venting, water and shelves.
  • A dining greenhouse seats guests among the plants. It needs a solid floor, comfort in all seasons and building-code approval as a place people gather.
Model Main use Size Why we suggest it Price guide*
Hoklartherm Riga 4 Growing 135 sq ft 8mm twin-wall poly built for winter growing ~$8,099
Hoklartherm Riga XL 6 Growing (larger kitchens) 280 sq ft 16mm panels and 4 auto roof windows ~$17,339
Janssens T-Shaped Royal Victorian Orangerie Dining or show garden 13 x 16 ft Classic glass look guests love ~$21,999
Alton Cambridge Cedar Orangerie Dining or patio room T-shaped; several sizes Warm cedar for a cozy, rustic feel from ~$26,317
Lumen & Forge Dome 13ft Seasonal dining pod 132 sq ft Low cost, quick to set up, eye-catching ~$2,978

*Prices checked in October 2026. Prices can change and sales may apply, so click the model name to see today's price.

You can browse more options in our restaurant-style greenhouse collection and our commercial and educational greenhouses.

Hoklartherm Riga XL 6 greenhouse at sunset in a backyard
A Riga XL 6 offers about 280 sq ft of growing space, enough for herb beds and shelves of microgreens. Photo courtesy of Hoklartherm.

What about dining domes?

Clear domes became popular for outdoor dining in cold months. The Lumen & Forge geodesic dome is a powder-coated steel frame with a 30 mil clear vinyl cover. Two people can put one up in about 4 to 6 hours.

Know its limits, though. The listing rates it for 60 mph of wind and 7 lb per sq ft of snow, and the warranty is 1 year. Anchor it well, pick a sheltered spot, and treat it as a seasonal dining pod rather than a four-season building.

Rendering of geodesic dining domes set up outdoors during the day
A rendering of geodesic domes used as private dining pods. Image courtesy of Lumen & Forge.

And glass or cedar dining rooms?

For a permanent space, a glass or cedar orangerie feels like a real room. The T-shape gives you a wider center for a table. These are bigger projects that need a proper foundation and, often, a building permit.

Alton Cambridge cedar orangerie on a garden patio with bistro seating and potted plants
The Alton Cambridge cedar orangerie with bistro seating outside. Cedar gives a warm, garden-cafe feel. Photo courtesy of Exaco/Alton.

Can a restaurant greenhouse pay for itself?

It can, if you grow what you already buy every week. The math is simple. Work out what you save each month, subtract running costs, and divide.

šŸ“ The payback formula

Payback (months) ā‰ˆ greenhouse cost Ć· (monthly produce replaced āˆ’ monthly running costs)

Running costs = heat, water, seeds, soil and staff time Ā· Include foundation and setup in the cost

🧮 Worked example (estimate): a cafe with a Riga 4

  • Greenhouse: Riga 4, about $8,099 when we wrote this (October 2026), shipped free.
  • Say it replaces $350 a month of herbs, microgreens and greens. (Example number; use your own invoices.)
  • Say running costs are $100 a month. Net saving: $350 āˆ’ $100 = $250.

$8,099 Ć· $250 = about 32 months to pay back the kit. Add your foundation cost to get the full picture. The menu story and guest goodwill are a bonus on top.

Heating is usually the biggest running cost in winter. Our guide to the cost to heat a greenhouse in winter gives real numbers by size.

Can restaurants serve food from their own greenhouse?

In many places, yes, but you must follow local rules. Food codes require restaurants to use "approved sources." Many county health departments allow an on-site garden to count as one when you meet their conditions. The Southern Nevada Health District, for example, has guidance on on-site gardens.

āš ļø Call before you build: ask your health department about using garden produce, and your building department about permits. A dining greenhouse is a place people gather, so it may need fire, exit and access approval. We are not lawyers, and rules differ from county to county.

Common questions health inspectors ask include:

  • What water do you use on the plants?
  • What fertilizers and pest controls do you use?
  • How and where do you wash and store the harvest?
  • Do you keep simple records of what you grow and pick?

How do you set up and run a restaurant greenhouse?

  1. Pick the spot. Full sun, close to the kitchen door, and away from grease vents and dumpsters.
  2. Build a level base. Concrete or pavers make cleaning easy. See our greenhouse foundation guide.
  3. Add water and power. A hose bib, a drain, and an outdoor-rated outlet for fans, heat and lights.
  4. Fit it out. Benches or shelves for trays, plus automatic watering so a busy night doesn't kill the basil.
  5. Control the climate. Vents and fans for summer, a heater for winter.
  6. Name an owner. One person checks water, pests and harvest every day.
  7. Plant in waves. Sow microgreens and lettuce every week so you never have a gap.
Inside a Janssens Modern greenhouse with seating and plants
Inside a Janssens Modern greenhouse with seating among the plants. One structure can be part growing space, part guest space. Photo courtesy of Exaco/Janssens.

šŸ’” Keep it cool in summer: a greenhouse near a hot kitchen can overheat fast. Our guide to cooling a greenhouse without electricity covers vents, shade and airflow.

How can a greenhouse improve the guest experience?

Guests love to see where their food comes from. Even a small growing greenhouse can become part of the visit.

  • Garden tours before a tasting menu or on a slow afternoon.
  • A chef's table or private dinner inside a glass house.
  • Cooking classes and workshops on herbs, seed starting or pickling.
  • Menu notes that name what was picked that day.
Cozy greenhouse cafe interior with wooden tables, chairs and flowers
Greenhouse cafes trade on light and greenery. Tables among the plants turn a meal into an experience.

For more ideas, see our infographic on how restaurants can benefit from greenhouses and our guide to growing vegetables year-round in a greenhouse.

How do we help restaurants buy a greenhouse?

Every greenhouse we sell ships free to the continental US. Most arrive by freight truck, so tell us about tight lots or low wires. If your team is busy running service, we can connect you with an assembly crew.

šŸ“Œ About prices: manufacturers update their prices during the year, and we often run sales and promotions. The price on the product page is always the current one. Prices in this article are a guide from when we wrote it (October 2026), not a quote or guarantee. Found a lower price for the same model at an authorized retailer? We offer a Price Match Guarantee - please check the rules first. Call us and we will confirm today's price and any current deals.

Frequently asked questions

What size greenhouse does a restaurant need?

For herbs and microgreens, about 100 to 150 sq ft is a practical start, like a Riga 4 at 135 sq ft. Larger kitchens that want salad greens and tomatoes often move up to 250 sq ft or more.

What is the easiest crop for a restaurant greenhouse?

Microgreens. They grow in trays on shelves and are ready in about 1 to 3 weeks. Herbs like basil, chives and parsley come next.

Can guests eat inside a greenhouse all year?

In mild climates, often yes. In hot or cold regions, you will need heating, cooling and shade. A glass house in full summer sun gets very hot without strong venting.

Do I need a permit for a restaurant greenhouse?

Often, especially for larger or permanent structures, and almost always for one where guests are seated. Check with your local building and health departments before you order.

Is a geodesic dome good for restaurant dining?

It is a popular, low-cost choice for seasonal dining pods. Our 13ft dome is rated for 60 mph wind and 7 psf snow, so anchor it well and use it in sheltered spots.

Planning a greenhouse for your restaurant or cafe?

We are a small, woman-owned business, and we answer every question personally. Tell us your space, your climate and what your kitchen uses most. We will suggest the right greenhouse, confirm today's price and any current sale, and help plan delivery and assembly.

Call 678-408-8222 Ā· info@mulberrygreenhouses.com

See restaurant-style greenhouses →

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