Trillium Greenhouse
Discover the Trillium greenhouse, ideal for small spaces. This freestanding, narrow greenhouse boasts a taller design, maximizing growing space. Equipped with a prefabricated 18-inch base featuring screened vents and automated roof vents for optimal airflow.
Ready to order? Purchase a pre-packaged and ready-to-ship 7×7 or 7×9 Trillium and Accessory Package via our web store, or call us to customize (additional lead time applies).
Sizes Offered: 7’x7′, 7’x9′ and 7’x11′
Order by calling 800-334-4115 or 503-244-4100
Trillium Greenhouse – a very popular smaller scale greenhouse that lives large!
- Prefabricated Sturdi-Built 18″ high base wall (knee wall) with screened vents to permit cool air to enter your greenhouse
- Standard glass walls and Twin Wall Polycarbonate roof glazing
- 24” wide Full-Lite door
- Roof vents with automated roof vent openers for natural and gentle airflow; number of vents is dependent on length of greenhouse
- Roof is supported with rafter tie and gussets
- 5′-6″ high at the eave (where side wall meets the roof); 8’-4” high at the ridge
- 9/12 roof pitch
- See our Standard Greenhouse Features page for more information on features included with each greenhouse
Options to Customize:
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Replace roof glazing with Tempered Glass
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Select your door swing – doors can swing in or out, and hinges can be on the left or right; hinged left to swing in is the most popular customer choice
- Select from one of the Accessory Packages for a complete greenhouse solution
- Sturdi-Built’s exclusive Thermal Option™ (double glazing) is available for extra energy efficiency
- Add ventilation with a jalousie window (louvered) in the back end wall
- Stylize your greenhouse with a decorative ridge scallop and/or finial
- Keep pests out with Roof Vent Screen Kits
- See our Accessory Catalog for a full list of available accessories to customize your greenhouse
Pre-packaged Accessories
We offer two accessory packages. Choose one that best suits your greenhouse needs.
Deluxe Accessory Package: Includes two 24″ double-tier full-length slat benches, two full-length sidewall shelves, one plant hanging bar, 12″ oscillating fan with mounting block, 120V Dr. Infrared electric heater, and digital thermometer/hygrometer.
Basic Accessory Package: Includes two 24″ wide single-tier and full-length slat benches, 12″ oscillating fan with mounting block, 120V Dr. Infrared electric heater, Digital thermometer.
Standard Sturdi-Built Features:
- We use Clear All-Heart Redwood — the part of the tree that is truly “red” — for superior durability and rot resistance
- Roof vents for gentle and effective ventilation with Bayliss MK7 automatic vent openers; number of roof vents is based on the width and length of your greenhouse
- Each kit includes our unique factory prefabrication: end walls are factory assembled in large sections; roof and side walls are precision pre-cut ready for assembly
- Interior gutters to capture condensation from the inside of the roof; a drain tube to channel the water to the floor or into a potted plant
- Arrives unfinished