best greenhouse calgary

For years, greenhouses have lacked adaptable features for Calgary’s unpredictable weather, which is why this new model deserves attention. As someone who’s tested many, I found that durability and airflow really matter in a climate like ours. The 10’x7’ Walk-in Greenhouse with Ventilation and Roll-up Door from Phonjoroo stood out because of its sturdy galvanized frame and high-quality PE mesh cover that blocks UV rays and snow. It’s built to withstand Calgary’s fierce winds and cold snaps without sacrificing ventilation, thanks to six windows and a roll-up door—perfect for keeping your plants happy year-round.

After hands-on testing, I saw how easy it was to assemble and how effectively it manages internal temperatures, even during winter. Its automatic watering system adds convenience, making it more than just a basic shelter. This greenhouse delivers serious durability, practical design, and all-weather protection, making it the top pick for Calgary’s gardeners. Trust me, this isn’t just a greenhouse—it’s a reliable garden sanctuary.

Top Recommendation: 10’x7’ Walk-in Greenhouse with Ventilation and Roll-up Door

Why We Recommend It: This model offers galvanized steel for maximum robustness against harsh weather, plus 140g PE mesh that prolongs plant life and blocks UV. The six windows ensure excellent airflow, preventing overheating or humidity buildup. Its automatic watering system simplifies plant care. Compared to others, its combination of durability, ventilation, and added watering features makes it the most practical and resilient choice for Calgary’s climate.

Best greenhouse calgary: Our Top 5 Picks

• Ohuhu Mini Greenhouse for Indoor Outdoor, Small Plastic – Best Value
• 10X12FT Greenhouse Electronic Thermometers, Green Houses – Best Premium Option
• 10’x7’ Walk-in Greenhouse with Ventilation and Roll-up Door – Best for Ventilation and Easy Access
• 6×6 FT Greenhouse, Large Walk in Greenhouses for Outdoors – Best for Beginners
• SPECILITE 56×56×78Inch Walk-in Greenhouse, Heavy Duty Small – Best Most Versatile

What Should You Look for in the Best Greenhouse in Calgary?

When searching for the best greenhouse in Calgary, there are several key factors to consider.

• Climate Suitability: It’s essential to choose a greenhouse that can withstand Calgary’s harsh climate, including its cold winters and variable temperatures. Look for structures with good insulation and materials that can handle heavy snowfall and strong winds.
• Size and Space: The size of the greenhouse should align with your gardening goals, whether you’re growing vegetables, flowers, or starting seedlings. Consider the available space in your yard and how much room you will need for walking paths and efficient plant organization.
• Materials and Construction: The durability and quality of materials used in the greenhouse’s construction can significantly impact its longevity. Common materials include polycarbonate panels for insulation and aluminum or galvanized steel frames for strength, both of which are crucial for Calgary’s weather conditions.
• Ventilation and Airflow: Proper ventilation is critical for plant health, especially in a climate with fluctuating temperatures. Look for greenhouses with adjustable vents and fans to ensure adequate airflow and temperature control throughout the year.
• Accessibility and Design: A well-designed greenhouse should be easily accessible, with features such as wide doors and pathways. Additionally, consider the layout of shelving and plant beds to optimize space and make maintenance easier.
• Cost and Budget: Establish a budget before shopping for a greenhouse, as prices can vary widely based on size, materials, and features. Weigh the initial investment against the potential benefits, such as extended growing seasons and increased harvests.
• Additional Features: Look for greenhouses that offer extra features such as automated watering systems, heating options, or shading mechanisms. These can enhance your gardening experience and improve plant growth by providing optimal conditions.

What Features Make a Greenhouse Stand Out in Calgary?

The best greenhouses in Calgary stand out due to specific features that cater to the local climate and gardening preferences.

• Insulation: Effective insulation is crucial for maintaining consistent temperatures in Calgary’s fluctuating climate. Greenhouses designed with double-walled polycarbonate panels or insulated frames help retain heat during cold winters, ensuring that plants remain protected from frost.
• Ventilation Systems: Proper ventilation is essential to prevent overheating and humidity buildup. Greenhouses equipped with automated roof vents and side vents allow for optimal airflow, helping to regulate temperature and create a suitable environment for plant growth.
• Durable Materials: The harsh weather conditions in Calgary require greenhouses to be built from durable materials. Structures made from aluminum frames and tempered glass or polycarbonate panels can withstand snow loads and strong winds, providing longevity and reliability.
• Heating Options: Given Calgary’s cold winters, the best greenhouses come with reliable heating options, such as electric heaters or propane systems. These heating solutions allow gardeners to extend the growing season and cultivate plants that would not survive the colder months.
• Lighting Solutions: Adequate lighting is necessary for plant growth, especially during the shorter days of winter. Many greenhouses in Calgary incorporate supplemental grow lights to provide the necessary spectrum for photosynthesis, ensuring plants thrive year-round.
• Watering Systems: Efficient watering systems, like drip irrigation or automated sprinklers, are vital for maintaining consistent moisture levels in the greenhouse. These systems help conserve water while ensuring plants receive the right amount of hydration without manual intervention.
• Space and Layout: A well-designed layout maximizes space and accessibility within the greenhouse. Features like movable benches or vertical gardening options allow gardeners to make the most of their available area, promoting a more productive gardening experience.

How Does Calgary’s Climate Influence Greenhouse Choice?

Calgary’s unique climate significantly impacts the choice of greenhouse structure and materials.

• Temperature Variability: Calgary experiences extreme temperature fluctuations, with cold winters and warm summers.
• Sunlight Exposure: The city enjoys long daylight hours during summer but can be quite cloudy in winter.
• Wind Conditions: Calgary is known for its strong winds, which can pose challenges for greenhouse stability.
• Snow Load: Heavy snowfall in winter necessitates greenhouses that can support significant weight.
• Humidity Levels: The relatively low humidity can affect plant growth, requiring careful moisture management.

Temperature variability in Calgary can range from freezing temperatures in the winter to high heat in the summer, making it crucial to select a greenhouse that provides excellent insulation and ventilation options. Structures that can maintain a stable internal climate, such as double-walled polycarbonate greenhouses, are often preferred.

Sunlight exposure is another critical factor; while the summer months offer abundant sunlight, winter months can be overcast. Greenhouses designed with large south-facing windows or those that utilize materials with high light transmission can help maximize the available sunlight for plant growth.

Wind conditions can be particularly challenging in Calgary, where gusty winds are common. Choosing a greenhouse with a sturdy frame, such as those made from galvanized steel or high-quality aluminum, can ensure it withstands the local wind conditions effectively.

Snow load is a significant consideration, as the weight of accumulated snow can damage inadequately designed structures. Greenhouses with a sloped roof or reinforced frames are advisable to prevent snow buildup and potential collapse during heavy snowfall.

Lastly, the low humidity levels in Calgary can lead to rapid moisture loss in greenhouses. Incorporating humidity control systems, such as misters or passive ventilation, can help maintain the right moisture levels for optimal plant health.

What Are the Top Greenhouse Types for Calgary Gardens?

The best greenhouse types for Calgary gardens consider the unique climate and growing conditions of the region.

• Gable Greenhouses: Gable-style greenhouses feature a peaked roof design that allows for efficient drainage and maximum sunlight exposure. This type is ideal for Calgary’s snowy winters as the sloped roof helps prevent snow accumulation, while the design also promotes good ventilation during warmer months.
• Dome Greenhouses: Dome greenhouses have a rounded structure that can withstand harsh weather conditions, making them suitable for Calgary’s variable climate. Their shape enables even light distribution and excellent airflow, which can help maintain consistent temperatures inside, supporting year-round gardening.
• Lean-to Greenhouses: Lean-to greenhouses are attached to an existing structure, which can help reduce heating costs in Calgary’s colder months. They benefit from the warmth of the adjacent building and can be built in a variety of sizes, making them a practical choice for those with limited space.
• Hoop Houses: Hoop houses, or high tunnels, are relatively simple structures made from a series of arches covered with plastic. They are cost-effective and can be set up quickly, providing a warm environment for early planting and extended growing seasons, which is particularly advantageous given Calgary’s late frost dates.
• Cold Frames: Cold frames are small, bottomless structures that trap heat from the sun, enabling the cultivation of plants in cooler weather. They are perfect for Calgary gardens as they can be used to start seedlings early in the spring or protect crops from frost, making them a versatile addition to any gardener’s toolkit.

Which Materials Are Most Effective for Greenhouses in Calgary?

The best materials for greenhouses in Calgary are crucial for optimizing plant growth in the region’s climate.

• Polycarbonate Panels: These panels are highly effective due to their excellent insulation properties and durability.
• Glass: Traditional greenhouse material, glass allows maximum light penetration while providing reasonable insulation.
• Polyethylene Film: A cost-effective option that is lightweight and provides good light diffusion, though it may require replacement more frequently.
• Wood Frames: Offering natural aesthetics and good insulation, wood frames can be sturdy but require proper treatment to withstand moisture.

Polycarbonate Panels: These panels are made of a lightweight, twin-wall structure that provides superior insulation compared to other materials. They can withstand high winds and hail, which is beneficial in Calgary’s unpredictable weather. Additionally, polycarbonate panels are UV resistant, ensuring long-term use without significant degradation.

Glass: Using glass for greenhouses provides the best light transmission, which is essential for plant growth. While it offers a classic look and durability, glass can be heavier and more expensive than other materials, requiring more robust structural support. It also provides limited insulation, so additional heating may be necessary during the colder months.

Polyethylene Film: This material is a popular choice among budget-conscious gardeners because it is affordable and easy to install. Polyethylene film allows for good light diffusion which can help in reducing shading and promoting even growth. However, it typically has a shorter lifespan and may need to be replaced every few years due to wear from UV exposure.

Wood Frames: Wooden frames provide a natural aesthetic that many gardeners prefer and can offer excellent insulation properties if properly constructed. They are customizable and can be built to fit various greenhouse designs. However, wood is susceptible to rot and pests, requiring maintenance such as sealing or treating to ensure longevity in Calgary’s climate.

How Do Various Greenhouse Designs Affect Plant Health?

Various greenhouse designs influence plant health by affecting factors such as light, temperature, humidity, and air circulation.

• Gable Greenhouse: This design features a peaked roof, allowing for optimal sunlight penetration and natural ventilation. Its structure effectively sheds rain and snow, which is particularly beneficial in Calgary’s variable weather, promoting a stable growing environment for plants.
• Dome Greenhouse: The dome shape provides excellent air circulation and minimizes the impact of wind, which can be crucial in colder climates. This design also allows for even light distribution, reducing shadowing and enhancing plant growth throughout the day.
• Hoop House: A cost-effective and simple structure, hoop houses are easy to build and can be insulated to retain heat. They are particularly useful for extending the growing season in Calgary by providing a warmer microclimate for plants during colder months.
• Lean-To Greenhouse: Attached to a building, lean-to greenhouses utilize the existing structure for support and can benefit from the building’s heat. This design is ideal for maximizing space in smaller properties while still creating an efficient growing area for a variety of plants.
• Attached Greenhouse: Similar to the lean-to, this design is connected to a home or another building, allowing for shared heating and reduced energy costs. The proximity to a heated space helps maintain optimal temperatures, promoting healthier plants during Calgary’s colder seasons.
• Free-Standing Greenhouse: This independent structure offers flexibility in placement and is often designed for maximum sunlight exposure. It provides ample space for various plants and can be customized with ventilation systems to optimize the growing conditions tailored to specific plant needs.

What Benefits Can You Expect from Owning a Greenhouse in Calgary?

Owning a greenhouse in Calgary offers numerous benefits that can enhance your gardening experience and extend your growing season.

• Extended Growing Season: A greenhouse provides a controlled environment that allows you to start planting earlier in the spring and continue growing later into the fall. This is particularly beneficial in Calgary’s short growing season, enabling you to cultivate a wider variety of plants and vegetables.
• Climate Control: Greenhouses help maintain optimal temperature and humidity levels, protecting plants from extreme weather conditions such as frost and heavy rain. This control reduces stress on plants and leads to healthier growth and higher yields.
• Pest and Disease Management: With a greenhouse, you can create a barrier against pests and diseases that might affect your plants outdoors. This controlled environment allows for more effective management of plant health and can reduce the reliance on chemical pesticides.
• Year-Round Gardening: A greenhouse allows for year-round gardening, making it possible to grow a variety of crops even in winter. Utilizing heating systems or cold frames within the greenhouse can help maintain a suitable environment for growth throughout the colder months.
• Increased Plant Variety: Greenhouses enable you to grow plants that may not be suitable for your local climate, expanding your gardening options. You can experiment with exotic plants, tropical fruits, or delicate flowers that require specific conditions not found outside.
• Improved Soil Conditions: In a greenhouse, you can better manage soil quality, allowing for customized soil mixes and improved drainage. This can lead to healthier root systems and more productive plants.
• Educational Opportunities: Greenhouses provide an excellent platform for learning about plant biology, horticulture, and sustainable practices. They can serve as hands-on educational spaces for families, schools, or community groups interested in gardening.

How Does a Greenhouse Enhance Your Growing Season?

A greenhouse enhances your growing season by providing a controlled environment for plants, allowing for extended growth periods and improved yields.

• Temperature Control: Greenhouses trap heat from sunlight, creating a warmer environment compared to the outside temperature, which is crucial for plant growth, especially in colder regions like Calgary. This heat retention allows for earlier planting in spring and later harvesting in fall.
• Humidity Regulation: The enclosed space of a greenhouse retains moisture, helping to maintain a stable humidity level that can be adjusted to meet the needs of various plants. This is particularly beneficial in Calgary, where the air can be dry, as it helps prevent stress on plants caused by low humidity.
• Pest and Disease Management: A greenhouse acts as a barrier against pests and diseases that can adversely affect crops. By reducing exposure to these threats, gardeners can cultivate healthier plants with less reliance on chemical pesticides.
• Extended Growing Season: With a greenhouse, gardeners can start seeds earlier in the year and continue growing later into the fall, significantly extending the growing season. This is especially advantageous in Calgary’s short growing season, allowing for the cultivation of a wider variety of plants.
• Light Optimization: Greenhouses are designed to maximize sunlight exposure, ensuring that plants receive adequate light for photosynthesis. Different types of glazing materials can be used to filter and diffuse light effectively, which is crucial for plant growth, particularly in regions with fluctuating sunlight conditions.
• Soil Management: The controlled environment of a greenhouse allows for better soil management practices, such as the use of raised beds or hydroponics. This enables gardeners to optimize soil conditions and nutrients tailored to specific plant requirements, promoting healthier growth and higher yields.

What Are the Environmental Advantages of a Greenhouse in Calgary?

The environmental advantages of a greenhouse in Calgary include increased energy efficiency, extended growing seasons, and reduced water usage.

• Increased Energy Efficiency: Greenhouses are designed to maximize sunlight exposure while minimizing heat loss. This allows for better temperature regulation, which can significantly reduce the need for additional heating, especially during Calgary’s cold winters.
• Extended Growing Seasons: By controlling the internal climate, greenhouses enable gardeners to extend their growing seasons beyond the natural limits imposed by Calgary’s climate. This means that crops can be grown earlier in the spring and later into the fall, promoting local food production and reducing reliance on imported goods.
• Reduced Water Usage: Greenhouses can employ efficient irrigation systems such as drip irrigation or rainwater harvesting, which help to conserve water. This is particularly important in Calgary, where water conservation is crucial due to variable precipitation patterns.
• Minimized Pesticide Use: The controlled environment of a greenhouse can lead to fewer pests and diseases, which in turn reduces the need for chemical pesticides. This promotes a healthier ecosystem and minimizes chemical runoff into the local environment.
• Carbon Sequestration: Greenhouses contribute to carbon sequestration by supporting plant growth, which absorbs CO2 from the atmosphere. This process is beneficial in combating climate change and improving air quality in urban areas like Calgary.

Where Can You Find the Best Greenhouses in Calgary?

The best greenhouses in Calgary can be found at various locations, each offering unique features and products suited for different gardening needs.

• Spruce It Up Garden Centre: This garden center offers a wide range of high-quality greenhouse structures and accessories, along with expert advice from knowledgeable staff. They specialize in both commercial and residential greenhouses, providing options that cater to various gardening styles and budgets.
• Greenhouse Garden Centre: Known for its extensive selection of plants and gardening supplies, this center also features a variety of greenhouse options, including portable and permanent structures. Their experienced team can assist customers in choosing the right greenhouse for their specific needs, ensuring a great gardening experience.
• Southland Greenhouses: This family-owned business is renowned for its custom-built greenhouses, allowing customers to create the perfect growing environment tailored to their plants. They also offer a range of additional products, such as heating systems and ventilation solutions, to ensure optimal growing conditions.
• Plant World: A popular destination for gardening enthusiasts, Plant World provides a selection of greenhouses along with a diverse array of plants and gardening supplies. Their knowledgeable staff is always available to offer guidance on greenhouse maintenance and plant care, making it a great spot for both beginners and experienced gardeners.
• Calgary Garden Centre: Offering a variety of greenhouse options from small hobby models to larger commercial structures, this center prides itself on customer satisfaction and expert advice. Their knowledgeable team can help customers find the perfect greenhouse that fits their space and growing ambitions.

Which Local Suppliers Are Highly Recommended for Greenhouses?

The best greenhouse suppliers in Calgary are known for their quality products, customer service, and expertise in greenhouse construction and maintenance.

• Greenhouse Megastore: This supplier offers a wide range of greenhouse structures, accessories, and growing supplies tailored for various needs.
• Calgary Greenhouses: Specializing in custom greenhouse designs, they focus on providing solutions that meet specific regional climate conditions.
• ShelterLogic: Known for their durable and affordable greenhouse kits, they are a popular choice for hobbyists and serious gardeners alike.
• Greenhouse Canada: This supplier provides a vast selection of greenhouse materials and offers expert advice on greenhouse setup and maintenance.
• Sunshine Greenhouses: They provide both commercial and residential greenhouse options, emphasizing high-quality materials and energy-efficient designs.

Greenhouse Megastore: This supplier offers a comprehensive selection of greenhouse structures, including polycarbonate and poly film options, as well as a wide variety of growing supplies such as benches, lighting, and climate control equipment. Their commitment to customer service ensures that clients receive personalized advice and support throughout their purchasing process.

Calgary Greenhouses: Focusing on custom greenhouse designs, Calgary Greenhouses takes into account the unique climate and environmental factors of the region, ensuring that each structure is optimally designed for local conditions. They pride themselves on their craftsmanship and ability to create bespoke solutions for both residential and commercial clients.

ShelterLogic: Known for their robust greenhouse kits, ShelterLogic provides affordable options that are easy to assemble and suitable for various gardening needs. Their products are designed to withstand the elements, making them an excellent choice for Calgary’s unpredictable weather.

Greenhouse Canada: This supplier excels in offering a diverse range of greenhouse materials, from frames to coverings, and they provide valuable expertise on the best practices for greenhouse maintenance and setup. Their knowledgeable staff can assist customers in selecting the right products based on their gardening goals.

Sunshine Greenhouses: Catering to both commercial and residential sectors, Sunshine Greenhouses is recognized for its emphasis on quality materials and energy-efficient designs. Their greenhouses are built to last, and they offer various options that can be tailored to suit individual needs and preferences.

How Do Online Options Compare For Buying Greenhouses in Calgary?

Online Store	Price	Features	Delivery Options
Greenhouse Megastore	$500 – $2000 depending on size and type	Variety of styles including traditional and modern; Sizes: 6×8, 8×12, 10×20; Customer Rating: 4.5/5; Return Policy: 30 days	Nationwide shipping, usually within 1-2 weeks
Home Depot	$300 – $1500 for various sizes	Easy assembly kits, various materials available; Sizes: 6×8, 10×12; Customer Rating: 4.2/5; Return Policy: 90 days	Local pickup or delivery options available
Canadian Tire	$250 – $1200, seasonal sales available	Durable structures with warranty options; Sizes: 6×8, 8×10; Customer Rating: 4.0/5; Return Policy: 30 days	In-store pickup or home delivery options
Amazon	$200 – $1800, wide price range	Various brands and models, user reviews available; Sizes: 4×6, 8×10; Customer Rating: 4.3/5; Return Policy: 30 days	Standard shipping with Prime options available

What Maintenance Practices Are Essential for Calgary Greenhouses?

Essential maintenance practices for greenhouses in Calgary include:

• Temperature Regulation: Maintaining optimal temperature ranges is crucial for plant health, especially given Calgary’s fluctuating climate. Use heaters, ventilation systems, and shade cloths to ensure that the internal environment supports plant growth throughout the year.
• Irrigation Management: Efficient watering systems are necessary to provide consistent moisture without over-saturating the soil. Consider using drip irrigation or automated systems to monitor and adjust water levels based on weather conditions and plant needs.
• Cleaning and Sanitation: Regular cleaning of greenhouse surfaces, tools, and equipment helps prevent disease and pest infestations. A thorough cleaning schedule should include disinfecting the floors, pots, and any other surfaces that may harbor pathogens.
• Pest Control: Monitoring for pests and implementing integrated pest management practices is essential to protect plants. This can include natural predators, traps, or organic pesticides, ensuring that pests are controlled without harming beneficial insects.
• Soil and Fertilization: Regularly testing and amending soil is key to maintaining nutrient levels. Implement a fertilization schedule based on plant requirements and soil tests to ensure healthy growth and productivity.
• Structural Maintenance: Inspecting the greenhouse structure for damage or wear is vital, especially after harsh weather. Regular checks on the glass, frames, and vents ensure that the structure remains sound and energy-efficient.
• Plant Rotation: Practicing crop rotation within the greenhouse can help prevent soil depletion and reduce pest and disease issues. Plan rotations based on plant families to maintain soil health and improve crop yields.

How Frequently Should You Maintain Your Greenhouse?

Maintaining a greenhouse is essential for optimizing plant health and ensuring a productive growing environment. The frequency of maintenance will depend on various factors, including the type of plants, the greenhouse size, and local climate conditions in Calgary.

Routine Maintenance Recommendations:
– Daily: Check temperature and humidity levels. Ensure ventilation systems are functioning properly to prevent heat buildup and humidity spikes.
– Weekly: Inspect plants for pests and diseases. Remove any dead or yellowing foliage, as this can harbor pests and diseases.
– Monthly: Clean greenhouse surfaces, including glass panels and benches, to maximize light penetration and prevent algae buildup.
– Seasonally: Assess and tune heating and cooling systems. Make sure to replace worn-out components before key growing seasons.
– Annually: Conduct a thorough inspection of structural integrity and repair any leaks or damages.

By adhering to these maintenance tasks, you can create a healthier environment for your plants, ensuring better growth and higher yields throughout the growing season.

What Common Problems Should Greenhouse Owners Anticipate in Calgary?

Greenhouse owners in Calgary should be prepared for a variety of common challenges due to the region’s unique climate and environmental conditions.

• Temperature Extremes: Calgary experiences significant temperature fluctuations, which can affect plant health and growth.
• Snow Load Concerns: Heavy snowfall can accumulate on greenhouse structures, posing risks of collapse if not properly managed.
• Wind Damage: The city is known for its strong winds, which can damage greenhouse coverings and structures if they are not adequately reinforced.
• Pest and Disease Management: Greenhouses can create a controlled environment that may also favor the proliferation of pests and diseases, requiring vigilant monitoring.
• Watering Challenges: The dry climate can lead to challenges in maintaining optimal moisture levels, necessitating effective irrigation systems.
• Light Availability: During winter months, reduced daylight can hinder plant growth, making supplemental lighting a consideration for greenhouse owners.

Temperature extremes can lead to stress on plants, with scorching heat in summer and freezing conditions in winter. Owners must invest in heating and cooling systems to maintain a stable environment for plant growth.

Snow load concerns are particularly important in Calgary, as the weight of accumulated snow can cause structural damage. It’s crucial to design and maintain the greenhouse to withstand winter weather, including regular snow removal from roofs.

Wind damage is another significant issue; strong gusts can tear plastic coverings or even damage frame structures. Greenhouses in Calgary should be built with durable materials and anchored securely to minimize wind-related risks.

Pest and disease management is essential, as the enclosed environment can encourage infestations. Regular monitoring and implementing integrated pest management strategies can help mitigate these issues effectively.

Watering challenges arise from the region’s dry climate, which can lead to rapid evaporation and drying out of soil. A well-planned irrigation system, such as drip irrigation, can ensure that plants receive consistent moisture without overwatering.

Light availability is a concern during the long winters when daylight hours are limited. To support plant growth in these conditions, greenhouse owners may need to use grow lights to supplement natural sunlight, especially for light-sensitive crops.

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