Ground-to-Ground Greenhouses

Columbine

The durable Columbine is ideal for winter greenhouse protection, early spring starts, and inexpensive greenhouse expansions.

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Columbine greenhouse with mechanical ventilation at Elm Avenue Greenhouse, CO.
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Description

The Columbine is a durable ground-to-ground house ideal for winter greenhouse protection, early spring starts, and inexpensive greenhouse expansions.

This freestanding structure is made of high-strength, 2-inch galvanized square bows. It is competitively priced and easy to assemble.

With up to 12′ peak height, many growers use Columbines for multi-tier production with hanging baskets overhead and flats or containers below and along the sidewalls.

Outfit the Columbine with heat and mechanical ventilation or go passive with roll-up sidewalls and large double slider doors on the end walls.

Highlights

  • Adapts to double-polyethylene and polycarbonate coverings
  • Retrofit to accept corrugated polycarbonate
  • Pre-designed for fast shipment and simple construction
  • Easy to disassemble for storage
  • Construct using a welded ground frame specifically designed for seasonal pop-up location

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Get to Know the Columbine

  • 2-inch square steel bows and 1½” square purlins
  • Mounted with 2¼” square ground stakes that can be raised up to 3’ sidewall height
  • 2¼” steel bow connector
  • Wood or galvanized-steel baseboard
  • Standard 44′ wide poly will cover the roof with standard 3′ sidewalls
  • Non-load-rated house; check local codes for load requirements
  • Lengths can be either 4′ or 6′ bow spacings
  • Can be fitted with gable ends, flashing, and bow supports

Columbine Specifications

Schematic drawing of Columbine greenhouse showing bow spacing and sidewall heights

 

The Columbine comes as a 30′ wide span and can have a peak height of up to 12′. Roll-up sidewalls are most common, but mechanical ventilation is available.

  • Standard Bow Spacing: 4′ and 6′ increments
  • Standard sidewall heights: 0′, 1′, 2′, 3′
Columbine

Columbine

Ideal for winter greenhouse protection, early spring starts, and inexpensive expansions

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Overview of our offerings for commercial growing.

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Overview of our greenhouse offering for garden center retailers

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Produce Brochure

Overview of our greenhouse offering for produce growers.