Western Mountain Greenhouses

Greenhouses and High Tunnels since 1996

Western Mountain Greenhouses come in many sizes, and can be custom made to any length.
Our Greenhouses/High Tunnels meet all requirements for NRCS in MT, ID, and WA.
For year around growing in cold enviroments: Insulated Greenhouses
Half Dome 8' wide greenhouses come 8' to 24' long, in increments of 4'.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

Half Dome 10' wide greenhouses come 12' to 36' long, in increments of 4'.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

Half Dome 12' wide greenhouses come 12' to 36' long, in increments of 4'.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

Ranchette 16' wide, available in lengths from 24' to 48' long in increments of 4'.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

Sampson 20' wide. Lengths available from 48' to 96' long, in increments of 4'.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

G Series 25' wide by 48' to 96' long.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

G Series 30' wide by 48' to 96' long.

Greenhouse kit includes:
  • Galvanized Steel frame
  • All hardware
  • Pre-drilled holes
  • 6 mil poly, 4 year warranty (Montana customers usually get 6-7 years)
  • Wire-lock fastening system
  • Quick, easy construction
  • Easy-to-follow instructions
  • Designed to withstand ice stormes, high winds, and heavy snow loads (See our snow load gallery)

Not Included: Wood/lumber used in constructing the greenhouse is supplied by customer, as well as whatever is used to finish the ends (polycarbonate, windows, doors, etc.). Instructions are included for finishing the ends on smaller greenhouses, but customer designs his own ends on larger ones. We can offer suggestions. Some of the pictures show how customers have finished their ends.

To order a green house