Suggested Retail:
XL 5 or 6 Riga XL Pro Kit – $3400
XL 9 Riga XL Pro Kit – $3850
Product Description:
This collection of optional accessories is the perfect way to upgrade any RIGA XL greenhouse model. All of these accessories have been picked to be beneficial to plant growth and health.
Specifications:
Includes the following accessories:
Suggested Retail: $199
Product Description:
The RIGA Assembly Facilitation kit contains tools that will make the assembly process go smoothly and correctly.
Specifications:
Includes the following accessories:
Suggested Retail:
RIGA 2s, 3s, or 4s – $325
RIGA 3,4,or 5 – $370
RIGA XL – $1099
Product Description:
To raise greenhouse 20” when placed on stem wall
Specifications:
Suggested Retail:
Window – $359
Automatic Opener – $119
Replacement Piston – $44
Product Description:
Additional Roof Window for RIGA 2s, 3s, 3, 4s, 4, 5
Windows will work with RIGA Automatic Window Opener with quick release “arm” – allows the opener to be disconnected in adverse weather conditions.
Replacement piston for quick release opener available
Specifications:
Understanding and Troubleshooting Auto Opener/ Piston:
Suggested Retail: $20
Product Description:
Roof window restraint kit protects auto-openers from powerful wind gusts.
Specifications:
2 – 15” stainless steel cables with nuts and bolts per set/window
Suggested Retail: $15.99
Product Description:
Recommended to shut roof windows in winter and stormy weather
Also used to shut top half door
Specifications:
Durable black plastic
Suggested Retail: varies per greenhouse size call for more info
Product Description:
Riga shelving is made up of durable, removable panels rather than one continuous shelf. The panels provide useful counter space for seed trays and pots, and can be taken out individually to create extra height for taller plants.
Specfications:
Suggested Retail:
12″ for RIGA 4 and smaller – $325
16″ for RIGA 5 – $370
20″ for RIGA XL – $425
Thermostat – $130
Product Description:
Exhaust fan keeps air moving through your RIGA greenhouse to create the best possible growing environment. Available in three sizes.
Specifications:
Suggested Retail: $849
Product Description:
Specifications:
Suggested Retail: $130
Product Description:
Easy and straightforward, set the desired temperature with the dial to provide power to your exhaust fan/intake vent. The PECO TF115P-002 is configured for cooling but comes with a wiring diagram if you’d like to switch it for use with a heater.
These are rugged thermostats built for long-term, reliable performance in a variety of climate conditions, including moist greenhouses, due to the weather-resistant enclosure. It tolerates moist conditions, performs despite water spray, high humidity, and heat. This thermostat is built from corrosion-resistant materials, allowing long life & reliable performance in the most demanding climates.
Simple plug-in setup: plug into a 110/120 power source, then plug your cooling device into the “piggyback” plug on the cord. To use with a heater to heat the greenhouse in cold temperatures, the front cover must be removed and rewired according to the enclosed diagram.
Suggested Retail:
16″ for RIGA 4 and smaller – $340
20″ for RIGA 5 – $360
24″ for RIGA XL – $380
Product Description:
Intake Shutter Vent (for use with Exhaust Fan) allows controlled airflow through greenhouse.
Specifications:
Suggested Retail: $199
Product Description:
For use with RIGA XL
Specifications:
Suggested Retail: $150
Product Description:
Lightweight powerful portable greenhouse heater to protect your plants from cold weather.
Specifications:
Suggested Retail:
$60
Product Description:
Made from BPA-free high-density polyethylene, these are seed trays that will last for years to come. Great for seed starting, the long 24” side of the planter box fits perfectly on the 24” wide bottom shelf of the Riga – utilizing all the area so you can grow more. Additionally, you can pull out the polycarbonate shelf surface and place the 20” planter box directly on the front and rear shelf supports. Doing this allows taller plants below to grow up tall beyond the shelf framing while still allowing space for starting your seedlings! These planter boxes will not wobble or break when carried – they are extremely sturdy due to the material as well as the criss-cross reinforced pattern molded into the underside of the tray.
Specifications:
Black, 24”x16”x 3.5” high
Suggested Retail: Pricing varies by size and model – see wholesale price list or call for info
Product Description:
Riga Greenhouse foundation frame
Specifications:
Suggested Retail: $30 / set of 10
Product Description:
Easily installs in greenhouse channels to allow for growing wire or rope for vining plants
Specifications:
Suggested Retail: $30 / set of 5
Product Description:
T-bolt head inserts into greenhouse profile channels without needing a notched opening
Specifications:
Suggested Retail: $130
Product Description:
Standard with the Royal Victorian Greenhouses, but can be added to our other greenhouses – up to 14 ft long. Fits a 20’ greenhouse. Misting head pins can be pushed in/pulled out to adjust the amount of water flow. This can make it into a heavier watering flow vs. a heavy mist to help cool the greenhouse. Has 5 misters and can easily be cut shorter.
Specifications:
Suggested Retail: $150
Product Description:
Adds light to greenhouse interior at night.
Specifications:
Suggested Retail:
$249 with power cord
$199 daisy chain-able w. no with power cord
Product Description:
Get your plants more hours of light for maximum growth. Especially beneficial during winter season.
Specifications:
Suggested Retail: $189
Product Description:
Creates easy entry ramp into greenhouse for wheelbarrow
Specifications:
Suggested Retail: $39
Product Description:
Stainless Steel hammerhead bolts and nuts – can be inserted in the channels in any of the aluminum frame profiles – turned 90º – to attach accessories such as shelving and more.
Specifications:

Exclusively by Janssens
Don’t see what you’re looking for? Janssens glass Victorian greenhouses can be custom-ordered with a variety of modifications, including shape, size, and accessories. Try out the greenhouse configurator and show us your ideal model.