Greenhouse Kits &
Garden Supplies
TOLL-FREE 1-866-928-3150

Riga Greenhouses - XL Series

Riga Greenhouses - XL Series

The Riga XL (Extra Large) Greenhouses - Featuring the amazingly insulating 16 mm polycarbonate. This is the largest commercial quality hobby-kit type offered by Riga and is a fantastic choice for the truly serious gardener. The Riga Extra Large Greenhouses come standard with Triple Wall Polycarbonate with a 10 year warranty. It features 16 mm UV coated TRIPLE-wall Polycarbonate Glazing, 10 MM twin wall polycarbonate in front & back walls for extra strength. Also includes: 4 ea. large roof windows: 37.5" W x 39.5" L, large Dutch style doors: 37.5" W x 74" H, and standard automatic roof openers. The Riga XL greenhouse is attractive and beautiful to look at – and will definitely fit in well to an upscale garden setting.

10 Item(s)

per page

Grid  List 

Set Ascending Direction
  1. Riga XL 9 Professional Greenhouse Premium Kit Package
    $18,749.00

    Free Shipping
    No Sales Tax *

    Riga XL 9 Professional Greenhouse Premium Kit Package

    The Riga XL 9 is 14' W x 29' 6" L x 9'10" H. 413 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.

    The Riga XL 9 Premium Kit includes:

    • Top of the Line 17,500 BTU electric heater (220v) for winter gardening
    • 20" shuttered exhaust fan with thermostat – 1/4 hp motor
    • 24" Power shutter intake vent 110v
    • (3) Sets of Professional LED Grow Lights (46" long)
    • (1) Thermostat operates both fan and vent
    • (8) Large roof windows: 37.5" x 39.5"
    • (8) Automatic roof vent openers
    • (1) Top shelf 14' x 10" wide
    • (1) Bottom shelf 14' X 25" wide
    • (5) 16"x24" Heavy Duty black seed trays for germinating seedlings or other dirt work
    • (10) stainless steel hooks -- great for hanging lights, fans and flower baskets (heavier items)

    Learn More

  2. Riga XL 8 Professional Greenhouse Premium Kit Package
    $17,250.00

    Free Shipping
    No Sales Tax *

    Riga XL 8 Professional Greenhouse Premium Kit Package

    The Riga XL 8 is 14' W x 26' 3" L x 9'10" H. 368 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.

    The Riga XL 8 Premium Kit includes:

    • Top of the Line 17,500 BTU electric heater & thermostat (220v) for winter gardening
    • 20" shuttered exhaust fan with thermostat – 1/4 hp motor
    • 24" Power shutter intake vent 110v
    • (3) Sets of Professional LED Grow Lights (46" Long)
    • (1) Thermostat operates both fan and vent
    • (6) Large roof windows: 37.5" x 39.5"
    • (6) Automatic roof vent openers
    • (1) Top shelf 14' x 10" wide
    • (1) Bottom shelf 14' X 25" wide
    • (5) 16"x24" Heavy Duty black seed trays for germinating seedlings or other dirt work
    • (10) stainless steel hooks -- great for hanging lights, fans and flower baskets (heavier items)

    Learn More

  3. Riga XL 9 Professional Greenhouse
    $15,999.00

    Free Shipping
    No Sales Tax *

    Riga XL 9 Professional Greenhouse

    The Riga XL 9 is 14' W x 29' 6" L x 9' 10" H. 413 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.


    Learn More

  4. Riga XL 7 Professional Greenhouse Premium Kit Package
    $15,350.00

    Free Shipping
    No Sales Tax *

    Riga XL 7 Professional Greenhouse Premium Kit Package

    The Riga XL 7 is 14' W x 23' L x 9'10" H. 322 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.

    The Riga XL 7 Premium Kit includes:

    • Top of the Line 17,500 BTU electric heater (220v) for winter gardening
    • 20" shuttered exhaust fan with thermostat – 1/4 hp motor
    • 24" Power shutter intake vent 110v
    • (3) Sets of Professional LED Grow Lights (46" L)
    • (1) Thermostat operates both fan and vent
    • (4) Large roof windows: 37.5" x 39.5"
    • (4) Automatic roof vent openers
    • (1) Top shelf 14' x 10" wide
    • (1) Bottom shelf 14' X 25" wide
    • (5) 16"x24" Heavy Duty black seed trays for germinating seedlings or other dirt work
    • (10) stainless steel hooks -- great for hanging lights, fans and flower baskets (heavier items)

    Learn More

  5. Riga XL 8 Professional Greenhouse
    $14,500.00

    Free Shipping
    No Sales Tax *

    Riga XL 8 Professional Greenhouse

    The Riga XL 8 is 14' W x 26' 3" L x 9' 10" H. 368 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.


    Learn More

  6. Riga XL 6 Professional Greenhouse Premium Kit Package
    $13,749.00

    Free Shipping
    No Sales Tax *

    Riga XL 6 Professional Greenhouse Premium Kit Package

    The Riga XL 6 is 14' W x 19' 10" L x 9'10" H. 280 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.

    The Riga XL 6 Premium Kit includes:

    • Top of the Line 17,500 BTU electric heater (220v) for winter gardening
    • 20" shuttered exhaust fan with thermostat – 1/4 hp motor
    • 24" Power shutter intake vent 110v
    • (3) Sets of Professional LED Grow Lights (46" L)
    • (1) Thermostat operates both fan and vent
    • (4) Large roof windows: 37.5" x 39.5"
    • (4) Automatic roof vent openers
    • (1) Top shelf 14' x 10" wide
    • (1) Bottom shelf 14' X 25" wide
    • (5) 16"x24" Heavy Duty black seed trays for germinating seedlings or other dirt work
    • (10) stainless steel hooks -- great for hanging lights, fans and flower baskets (heavier items)

    Learn More

  7. Riga XL 7 Professional Greenhouse
    $12,600.00

    Free Shipping
    No Sales Tax *

    Riga XL 7 Professional Greenhouse

    The Riga XL 7 is 14' W x 23' L x 9'10" H. 322 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.


    Learn More

  8. Riga XL 5 Professional Greenhouse Kit (Premium)
    $12,249.00

    Free Shipping
    No Sales Tax *

    Riga XL 5 Professional Greenhouse Kit (Premium)

    The Riga XL 5 Premium Professional Kit includes:

    • Top of the Line 17,500 BTU electric heater (220v) for winter gardening
    • 20" shuttered exhaust fan with thermostat – 1/4 hp motor
    • 24" Power shutter intake vent 110v
    • (3) Sets of Professional LED Grow Lights (46" L)
    • (1) Thermostat operates both fan and vent
    • (4) Large roof windows: 37.5" x 39.5"
    • (4) Automatic roof vent openers
    • (1) Top shelf 14' x 10" wide
    • (1) Bottom shelf 14' X 25" wide
    • (5) 16"x24" Heavy Duty black seed trays for germinating seedlings or other dirt work
    • (10) stainless steel hooks -- great for hanging lights, fans and flower baskets (heavier items)

    Learn More

  9. Riga XL 6 Professional Greenhouse
    $10,999.00

    Free Shipping
    No Sales Tax *

    Riga XL 6 Professional Greenhouse

    The Riga XL 6 is 14' W x 19' 10" L x 9'10" H. 280 Square Feet.

    The RIGAs are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.


    Learn More

  10. Riga XL 5 Professional Greenhouse
    $9,499.00

    Free Shipping
    No Sales Tax *

    Riga XL 5 Professional Greenhouse

    The Riga XL 5 is 14' W x 16'5” L x 9'10" H for a total of 231 Square Feet.

    The RIGA Greenhouses are designed, engineered, and manufactured in Germany from a company with 28 years experience. RIGAs have an amazing 15 year warranty on the frame and 10 years on the panels.


    Learn More

10 Item(s)

per page

Grid  List 

Set Ascending Direction