Product Description

Discover the Gardener's Paradise: RIGA 3 Greenhouse

Grow your garden dreams all year with the Hoklartherm RIGA Greenhouse 3. Made in Germany, this greenhouse is a strong and protective home for your plants, offering generous space with dimensions of 9'8" by 10'6" and a height of 7'7". Here, everything from vibrant flowers to hearty vegetables can flourish in any season.

With the RIGA Greenhouse, you can enjoy fresh veggies, herbs, and flowers year-round. It's insulated to keep conditions just right inside, saving energy while maintaining an ideal growing environment. This makes it perfect for gardeners looking to keep their green thumbs active, even in colder months.

RIGA 3 greenhouse by Hoklartherm set up in a garden, showing the sturdy structure and transparent polycarbonate walls with open entrance

Enable the Year-Round Availability of Fresh Produce

  • Insulation: Features 8 mm twin-wall polycarbonate side walls and 10 mm twin-wall gable ends for excellent thermal protection.
  • Ventilation: Includes 1 roof vent with an automatic opener and 1 rear window to provide effective airflow and temperature control.
  • European Craftsmanship: Designed and manufactured in Germany by Hoklartherm, ensuring premium quality.
  • Durable Frame: Built with 13-gauge aluminum extrusions for exceptional strength and long-lasting stability.
  • Warranty Protection: Backed by a 10-year polycarbonate warranty and a 15-year frame warranty.
  • Access & Windows: Comes with a barn-style hinged door with lock (30" W x 79" H), plus a rear window and a roof vent (3'5" x 2'1").
Exaco Greenhouses 3 with plants inside

Feel the Warmth of Summer All Year in Your Hoklartherm RIGA Greenhouse

This greenhouse is designed to withstand all kinds of weather. It features sturdy UV-coated twin-wall polycarbonate that adds significant protection. The distinctive "onion" shape of the structure ensures that snow easily slides off, safeguarding your plants in harsh conditions. The frame's solid construction remains secure and unmoved, even in strong winds.

Make this greenhouse your own with optional features like a two-layer shelving system for different plant heights and a foundation frame that simplifies setup. These features let you customize the greenhouse to suit your gardening style, whether you're just starting out or you have years of experience.

Take the next step in your gardening journey with the Hoklartherm RIGA Greenhouse 3. Why wait for spring? Start planting today and enjoy a lush garden year-round.

RIGA freestanding greenhouse with a single roof vent, door open, on a wood chip base in a backyard garden setting.

Let Your Plants Breathe Easy and Flourish with A RIGA Greenhouse

Made in Germany Designed and manufactured by Hoklartherm, a German company known for precision engineering and durable greenhouse construction.
Durable Frame Built with 13-gauge aluminum extrusions for exceptional strength and long-lasting stability.
High-Quality Glazing Features 8 mm twin-wall polycarbonate side walls and 10 mm twin-wall polycarbonate gable ends, providing superior insulation and durability.
Efficient Ventilation Includes 1 roof vent with an automatic opener and 1 rear window to maintain proper airflow and temperature control.
Riga Greenhouse closed door

Experience the Comfort and Peace of Mind with a Secure and Sturdy Greenhouse

Secure Access Comes with a barn-style hinged door with lock (30" W x 79" H) for easy entry and added security.
Spacious Interior Offers 102 sq. ft. of growing space, with a peak height of 7'7" to comfortably accommodate taller plants.
Warranty Protection Backed by a 10-year polycarbonate warranty and a 15-year frame warranty, ensuring peace of mind and long-term reliability.
Foundation Frame Included Equipped with a 6-inch high foundation frame, which can be buried to anchor the greenhouse securely in place.
Exaco Riga Greenhouses 3 (102 sq.ft.) on the backyard

Manual of Riga 3 Greenhouse

Specifications of Riga Greenhouse 3

Dimensions 9'8" W x 10'6" L x 7'7" H
Square Footage 102 sq.ft.
Warranty Polycarbonate: 10 years; Frame: 15 years
Barn-Style Hinged Door with Lock 30" W x 79" H.
Windows 1 Roof Vent (40" x 24") with Automatic Opener, 1 Rear Window (3'5" x 2'1")
Inside Walking Height 6'1" near shelves, 6'11" in the middle, 7'6" for wide unit
Assembly Time 2 people, 1 full day (3 recommended for 6-8 hours, excluding shelves)

Boost Your Gardening Game with Optional Accessory Kit

The standard accessory kit for all RIGA models makes your greenhouse more useful and stable. It includes a top shelf and a bottom shelf for storing plants or tools, and a foundation frame base that keeps the greenhouse steady, especially if it's not cemented down. This bundle is offered at a lower price and fits any Riga greenhouse, adding more storage and stability.

Exaco RIGA Greenhouse bottom shelf with plants displayed on top

Top & Bottom Shelves

Keep plants and tools organized with a 10" wide top shelf and 25" wide bottom shelf.

Close up image of a foundation frame for Exaco Riga Greenhouses

Foundation Frame Base

The foundation frame for Riga Greenhouses is buried in a trench if not anchored to concrete and is available for all sizes.

Create A Consistent Growing Environment in Your Greenhouse

Automated aluminum louver Exaco Modern greenhouse vent for temperature and humidity control.

Intake Shutter Vent

The Intake Shutter Vent, used with an Exhaust Fan, controls airflow in the greenhouse and is available in 16", 20", and 24" sizes.

Exaco

Solar Powered Exhaust Fan

Exaco's Solar Powered Exhaust Fan offers greenhouse ventilation without electricity and includes a lifetime warranty on the brushless motor.

Exaco Exhaust Fan in white background

Exhaust Vent with Fan

Available in 12", 16", and 20" sizes, circulates air to optimize growing conditions and comes with a 110-volt cord, plug, and an optional thermostat.

Exaco RIGA Portable Milkhouse Heater product image

Uline Milkhouse Heater

Provides 4,437–5,120 BTU with rugged metal housing, 6’ power cord, and automatic shut-off for safe, reliable use in your greenhouse or garden.

Close-up of Exaco INKBIRD ITC-608T thermostat with dual probes.

Inkbird Thermostat

Inkbird ITC-608T thermostat with dual probes controls 2 heating/cooling devices separately. Plug-and-play, 120V/15A/1800W, range -40°F–212°F.

Red box infrared portable industrial heater for Exaco Greenhouses

Industrial Heater

Keep large greenhouses cozy with this industrial infrared heater. It provides 18,500 BTU and features fan and thermostat controls for consistent warmth.

Expand Your Greenhouse's Capabilities with Specialized Add-Ons

Close up of Exaco Riga greenhouse vent with spindle opener

Additional Roof Vent

The RIGA Automatic Window Opener features a quick-release arm for easy disconnection during bad weather.

Detailed view of a spindle window opener for Exaco greenhouses, featuring diagrams and close-up images of its components including tension springs and adjustment mechanisms

Spindle Roof Opener

Manual roof window opener that works like a large threaded screw. Long handle is needed to operate, not included.

Close up of sash lock for Exaco Greenhouses

Sash Lock

Recommended to shut roof windows in winter and stormy weather. Also used to shut top half door.

A close-up of a metal cable wind restraint system securing a greenhouse roof window.

Roof Window Restraints

The roof window restraint kit uses two 15-inch stainless steel cables with nuts and bolts to protect auto-openers from strong winds.

Maximize Space and Accessibility in Your RIGA Greenhouse

Close up image of the Exaco RIGA greenhouse top shelf with support

Top Shelf

Show off your plant babies with a 10" wide top shelf. Price and length varies per size.

Top and bottom shelves for Exaco Riga greenhouses with plants on display

Bottom Shelf

Store your tools on a 25" wide bottom shelf. Price and length varies per size.

A drop door kit for Exaco RIGA Greenhouse

Drop Door Extension Kit

To raise greenhouse 20” when placed on stem wall. Sizes vary per greenhouse model.

From Foundation to Roof — Essential Miscellaneous Add-Ons

Close up image of a foundation frame for Exaco Riga Greenhouses

RIGA Foundation Frame

The foundation frame for Riga Greenhouses can be installed in a trench without concrete and is available in various sizes and prices per model.

Stainless Steel Plant Hooks for Exaco Greenhouses

Stainless Steel Plant Hooks

T-bolts easily insert into greenhouse profile channels and come in a set of 5 with adjustable length hooks.

Installation set for vining plants in a greenhouse, featuring 10 plastic inserts, hooks, and a stainless steel S-hook

Plastic Hooks for Growing

The kit for vining plants includes 10 plastic inserts, hooks, and a small stainless steel S-hook, and installs easily in greenhouse channels.

https://cdn.shopify.com/s/files/1/0404/6759/5414/files/Exaco-Greenhouse-Misting-Watering-System.jpg?v=1718232955

Misting System

Suitable for greenhouses up to 20 feet, features 5 adjustable misters. Easily customize the water flow and shorten the kit as needed.

Product image of the solar light for Exaco Greenhouses

Solar Light

Eco-friendly solar LED light for greenhouses/sheds. 250 lumens, 4 hrs runtime, cool white 6000K. Easy install, weather-resistant, 2-yr warranty. Not a grow light. 

Exaco Astrica Grow Light LED fixture designed for greenhouse use, providing full-spectrum lighting in a slim, energy-efficient housing.

Astrica Grow Light

ASTRICA 45W Interlight LED, F3 spectrum, 112 ÎĽmol/s, 2.5 ÎĽmol/J. IP65 build, link up to 12 units. Note: stringing units together requires different cables.

A picture of the rubber wheelbarrow Ramp with a wheelbarrow wheeling into the greenhouse

Wheelbarrow Ramp

The solid rubber greenhouse ramp facilitates easy wheelbarrow access and measures 49cm wide by 31cm long by 10cm high.

Image of TBolts ontop each other in a white background.

T-Bolts

Stainless steel hammerhead bolts and nuts for attaching accessories to aluminum frames, available in 12mm (Victorian) or 15mm (RIGA) lengths. Set includes 20 bolts and nuts.

RIGA Greenhouse Overview and Installation Steps Videos

Customers also bought

    • FREE SHIPPING IN USA

      Free shipping with every order

    • SATISFACTION GUARANTEED 

      If your order arrives defective or fails to

      function properly, you will receive a full 100% refund!

    • PREMIUM CUSTOMER SUPPORT

      Connect with us through live chat, email, or

      phone, and we will address any questions you may have!

    • SECURE ENCRYPTED PAYMENTS

      We utilize advanced encryption to

      ensure there is never an issue with your privacy.