Wooden Greenhouses VS. Aluminium Greenhouses, Which to Buy?

When choosing a greenhouse for your backyard or garden, materials vary in durability, wind resistance, and cost. Two of the most popular options are aluminum and wooden greenhouses. In this blog, we'll delve into the key differences between aluminum greenhouses and wooden greenhouses to help you make an informed choice in your gardening venture.

1. Durability and Lifespan

Aluminum greenhouses are known for their superior durability. Aluminum frames are rust-corrosion and insect-resistant and can withstand harsh weather conditions, from heavy snow to intense sunlight. This makes them a long-term investment that typically requires minimal maintenance.

Wooden greenhouses typically have heavier and thicker frames than metal ones. However, wood is more susceptible to rot, insects, and warping over time, especially if not handled or maintained properly. While cedar and redwood are more resistant to these issues, they still require regular care to ensure longevity.

2. Wind Resistance

While aluminum greenhouses are lightweight and easy to assemble, this can be a drawback in windy conditions. Their lighter frames are more susceptible to being lifted or moved by strong winds, even when secured. This is especially true for cheaper or less sturdy models. Aluminum is a rigid material, but this also means that wind forces can be transferred directly to joints and connections, causing bending or breaking.

Wood greenhouses are usually heavier than aluminum structures, which gives them a natural advantage in windy conditions. The added weight helps to secure the greenhouse more firmly to the ground. Wood is naturally flexible and it is also thicker than aluminum tubing. This flexibility allows the structure to absorb and dissipate some of the wind. If the foundation is strong, a timber greenhouse can stand even in bad weather.

3. Aesthetic

Aluminum greenhouses have a sleek, modern look that complements a variety of garden styles and are easy to assemble and customize. However, some gardeners may find the industrial look less appealing compared to the rustic charm of wood.

Wooden greenhouses have a traditional and timeless design that can enhance the visual appeal of any garden. They blend beautifully with their natural surroundings and can be painted or stained to match your style. For those who prioritize aesthetics, wood is often the first choice. 

4. Insulation

Insulation is an important consideration when choosing a greenhouse, especially in winter and spring. Good insulation stabilizes the interior temperature of the greenhouse. It reduces energy consumption. Moreover, it creates a better environment for plants to grow.

Aluminum is a highly thermally conductive material, which means it can transfer heat quickly. In the summer, metal greenhouses tend to absorb heat from the outside, causing the internal temperature to rise rapidly; while in the winter, metal will quickly lose heat, making the interior of the greenhouse cold.

The temperature inside a wooden greenhouse rises more slowly, and the growth environment of plants is more stable. Wood has excellent thermal insulation properties, which can effectively reduce heat loss, extend the growing season, and reduce heating costs.

5. Maintenance Requirements

One of the standout features of aluminum greenhouses is their low maintenance costs. Check the joints for looseness and simply wipe down the aluminum frame once a year. The weather-resistant nature of this material means you don’t have to worry about regular painting or sealing.

Wooden greenhouses require more attention. To prevent rot and maintain their appearance, wooden frames usually need to be treated with sealants or stains every 1-2 years. This can be a time-consuming process, but for those who value a natural look, the extra effort may be worth it.

6. Cost

In most cases, metal greenhouses of the same size cost 25% less than wooden greenhouses. Especially those made of high-quality, rot-resistant wood may be more expensive initially. For gardeners who want a practical, no-frills greenhouse, aluminum greenhouses are a better choice. But if you are not sensitive to cost and want to create a beautiful garden, then we recommend wooden greenhouses.

Conclusions

If you value aesthetics, enjoy hands-on maintenance, and want a greenhouse that blends seamlessly with nature, a wooden greenhouse could be your perfect match. Not only does it add a touch of nature to your garden, it also performs well in strong winds. Of course, if you prefer a low-maintenance, modern design, an aluminum greenhouse is better for you.