12×24 Countryside Greenhouse

A spacious 12×24 greenhouse with automatic gable venting and built-in planter workspace for Montana’s changing seasons.

The 12×24 Countryside Greenhouse for sale in Three Forks, MT is designed for gardeners who want maximum growing space without sacrificing comfort or airflow. With a roomy interior layout, built-in planter features, and automatic venting, it’s an ideal setup for extending your growing season and keeping plants thriving through Montana’s temperature swings.

The 7/12 roof pitch supports efficient heat release on warm days while shedding snow more effectively in winter. A generous window package brings in bright natural light, and two large gable-end automatic vents help regulate temperature without constant adjustment.

Inside, planter shelves and planter boxes run along the walls to keep plants organized and accessible while leaving the center open for movement, potting, and additional growing setups. The 9-lite arched door window adds classic style and brings in even more light at the entry.

Features include:

Size

• 12′ × 24′ footprint

Framing & Structure

• 16″ on-center framing for strength and long-term stability

Roof System

• 7/12 roof pitch to support airflow and help shed snow

Windows & Ventilation

• (13) 24″ × 27″ aluminum windows with screens for airflow and pest control

• (2) large gable-end automatic vents to release heat and regulate temperature automatically

Doors & Hardware

• 9-lite arched door window for added natural light and an inviting, classic look

Interior Workspace

• 12″ planter shelves for organized growing space along the walls

• 12″ planter boxes to support seed starting and planting while keeping the center open