Top 10 Small Greenhouses for Urban Gardening Success

Mini and small greenhouses are a great option for gardeners who want to extend their growing season, protect their plants from pests, or grow plants that are not suited to their local climate. These compact structures are available in a variety of sizes and styles, making them suitable for almost any space.

One of the primary benefits of mini and small greenhouses is that they allow gardeners to control the growing environment. By controlling the temperature, humidity, and light levels, gardeners can create the ideal conditions for their plants to thrive. Additionally, greenhouses protect plants from pests, such as insects and rodents, and can help prevent diseases from spreading.

When it comes to selecting a mini or small greenhouse, there are several factors to consider, including the type of greenhouse, materials and construction, location and placement, temperature and climate control, irrigation and water management, plant selection, and maintenance and care. By carefully selecting the right greenhouse and taking the necessary steps to care for it, gardeners can enjoy a bountiful harvest year-round.

Key Takeaways

• Mini and small greenhouses are a great option for gardeners who want to extend their growing season, protect their plants from pests, or grow plants that are not suited to their local climate.
• By controlling the growing environment, gardeners can create the ideal conditions for their plants to thrive.
• When selecting a greenhouse, gardeners should consider factors such as the type of greenhouse, materials and construction, location and placement, temperature and climate control, irrigation and water management, plant selection, and maintenance and care.

Top 10 small greenhouses

1. Ohuhu: Mini Portable GreenHouse.
2. Bstrip: Mini Greenhouse With Grow Light For Indoor Use.
3. MCombo: 2-Tier Wooden Cold Frame Garden Greenhouse.
4. Barrina: Indoor Mini Greenhouse with Grow Light.
5. Deaunbr: Mini Portable Greenhouse.
6. MCombo: Cold Frame Wooden Greenhouse.
7. JustGan: 4-Tier Mini Portable Greenhouse.
8. Voohek: Mini Indoor Greenhouse with Adjustable Shelves and Vent.
9. Esbaybulbs: Mini Portable Greenhouse With Roll-Up Zipper.
10. S AFSTAR: Wooden Cold Frame Mini Greenhouse.

Benefits of Mini and Small Greenhouses

Mini and small greenhouses offer several benefits for gardeners of all levels. These compact structures provide a controlled environment for cultivating plants and protecting them from harsh weather conditions. They are particularly advantageous for individuals with limited outdoor space, such as urban dwellers or those living in apartments. Mini and small greenhouses are also ideal for beginners or hobbyists who want to experiment with gardening on a smaller scale.

One of the key advantages of mini and small greenhouses is their ability to extend the growing season. By creating a microclimate, these structures enable gardeners to start planting earlier in the spring and continue growing later into the fall. This extended season allows for a wider variety of crops to be cultivated, ultimately increasing the overall yield and diversity of produce.

Additionally, mini and small greenhouses provide protection from pests and diseases, helping to maintain the health and vigor of plants. The controlled environment within these structures minimizes the risk of infestations and allows for better management of plant health. Furthermore, they offer a convenient space for nurturing delicate seedlings and young plants before transplanting them into the garden.

Moreover, mini and small greenhouses can serve as versatile and adaptable spaces for various gardening activities. They can accommodate a range of plants, from flowers and herbs to vegetables and fruits. With proper planning and organization, these compact structures can maximize the use of limited space, making them an efficient and practical solution for avid gardeners.

Types of Mini and Small Greenhouses

When it comes to mini and small greenhouses, there are various types to choose from depending on the gardener’s needs. This section will cover some of the most popular types of mini and small greenhouses.

Cold Frames

Cold frames are the simplest and most affordable type of mini greenhouse. They are essentially a bottomless box with a transparent top that is used to protect plants from the cold weather. Cold frames can be made from a variety of materials such as wood, PVC, or metal. They are typically used for starting seedlings or protecting plants during the winter months.

Starter Greenhouses

Starter greenhouses are a step up from cold frames. They are small, portable greenhouses that are designed to protect plants from harsh weather conditions. Starter greenhouses are usually made from lightweight materials such as PVC or aluminum, and they come in a variety of sizes. They are ideal for starting seeds, growing herbs and small plants, and extending the growing season.

Portable Greenhouses

Portable greenhouses are larger than starter greenhouses and are designed to be moved around the garden as needed. They are typically made from lightweight materials such as PVC or aluminum and come in a variety of sizes. Portable greenhouses are perfect for gardeners who want to protect their plants from harsh weather conditions but don’t have the space for a permanent greenhouse.

Lean-To Greenhouses

Lean-to greenhouses are designed to be attached to the side of a building, such as a house or garage. They are typically small in size and are perfect for gardeners who have limited space. Lean-to greenhouses are usually made from materials such as wood, aluminum, or PVC, and they come in a variety of sizes. They are ideal for starting seedlings, growing herbs, and extending the growing season.

In summary, there are various types of mini and small greenhouses to choose from depending on the gardener’s needs. Cold frames are the simplest and most affordable option, while starter greenhouses, portable greenhouses, and lean-to greenhouses offer more features and flexibility.

Materials and Construction

Frame Materials

Mini and small greenhouses can be constructed from a variety of frame materials, including wood, aluminum, and PVC. Wooden frames provide a natural look and are often preferred by gardeners who want their greenhouse to blend in with their backyard. However, wooden frames require regular maintenance to prevent rot and insect damage. Aluminum frames are lightweight, strong, and require minimal maintenance, making them a popular choice for greenhouse construction. PVC frames are lightweight, easy to assemble, and affordable, but they are not as durable as wood or aluminum.

Glazing Options

The glazing of a greenhouse refers to the material used to cover the frame. The most common glazing materials are glass, polycarbonate, and polyethylene film. Glass is the most traditional and provides the best clarity and light transmission. However, it is also the most expensive and fragile. Polycarbonate is a lightweight and shatter-resistant option that provides excellent insulation and UV protection. Polyethylene film is the most affordable option and is easy to install, but it has a shorter lifespan and is not as durable as glass or polycarbonate.

Insulation and Sealing

Insulation and sealing are important factors to consider when constructing a mini or small greenhouse. Proper insulation helps to maintain a consistent temperature and prevent heat loss. Common insulation materials include bubble wrap, fiberglass, and foam board. Sealing the greenhouse helps to prevent drafts and moisture buildup, which can lead to mold and mildew. Weatherstripping, caulking, and tape can be used to seal gaps and cracks in the greenhouse frame.

Location and Placement

When it comes to mini and small greenhouses, the location and placement of the structure is crucial for the success of the plants inside. Here are some important factors to consider:

Sunlight and Shade

Plants need sunlight to grow, and the amount of sunlight they receive can affect their growth rate, yield, and overall health. Therefore, it is important to place the greenhouse in an area that receives ample sunlight throughout the day. South-facing is the gold standard for greenhouse positioning, offering ample sunlight throughout the day and ensuring a consistent and warm environment for a wide range of plants [1]. However, depending on where you live, you may not want to leave it exposed to sunshine all day. Take the path of the sun into account and, when in doubt, put it in the sunniest spot [2].

Wind Protection

Strong winds or storms can damage the greenhouse and the plants inside. Therefore, it is important to place the greenhouse in a location protected from these elements. Consider the direction of the prevailing winds in your area and try to position the greenhouse in a way that minimizes the exposure to these winds. Additionally, you can use windbreaks such as fences, hedges, or trees to further protect the greenhouse [1].

Accessibility

The greenhouse should be easily accessible for the gardener to enter and exit, as well as to tend to the plants inside. It is also important to consider the accessibility of water and electricity sources, as well as the proximity to the house or other structures. This will make it easier to transport supplies and equipment to and from the greenhouse [3].

By taking into account the factors of sunlight and shade, wind protection, and accessibility, you can ensure that your mini or small greenhouse is positioned in the best possible location for your plants to thrive.

Sources:

1. Greenhouse Emporium: Where To Position A Mini Greenhouse: Orientation Guide
2. Gardening Glow: 11 Considerations for Where to Position a Mini Greenhouse
3. Greenhouse Emporium: How To Use A Mini Greenhouse For Beginners: Ultimate Guide

Temperature and Climate Control

Maintaining the right temperature and climate is crucial for the success of a mini or small greenhouse. In this section, we will discuss different heating and cooling systems and ventilation tips that can help you control the temperature and climate of your greenhouse.

Heating Systems

During the colder months, it is important to keep the temperature inside the greenhouse warm enough for the plants to thrive. There are several heating systems available for small greenhouses, including electric heaters, propane heaters, and kerosene heaters. Electric heaters are the most common and convenient option, as they are easy to install and use. They are also safer than propane and kerosene heaters, which can emit harmful fumes if not used properly.

To ensure even heat distribution, it is recommended to use a fan or two to circulate the warm air. Another option is to use a radiant heat system, which heats objects directly instead of the air. This can be more energy-efficient and effective, especially for larger greenhouses.

Cooling Systems

In the summer, the temperature inside the greenhouse can rise quickly, which can be harmful to the plants. To prevent this, it is important to have a cooling system in place. One of the most popular options is a shade cloth, which blocks out some of the sunlight and reduces the temperature inside the greenhouse.

Another option is to use evaporative cooling, which involves using a fan and a wet pad to cool down the air. This can be an effective and energy-efficient way to keep the temperature inside the greenhouse comfortable for the plants.

Ventilation Tips

Proper ventilation is essential for maintaining a healthy environment inside the greenhouse. It allows fresh air to circulate and prevents the buildup of harmful gases and excess moisture. One way to ensure good ventilation is to install vents or windows that can be opened and closed as needed.

Another option is to use fans to circulate the air. This can help prevent hot spots and ensure even temperature distribution. It is important to position the fans strategically to ensure optimal air circulation.

In conclusion, maintaining the right temperature and climate is crucial for the success of a mini or small greenhouse. By using the right heating and cooling systems and ventilation tips, you can create a healthy and thriving environment for your plants.

Irrigation and Water Management

Manual Watering Methods

When it comes to watering plants in a mini or small greenhouse, manual watering methods are the most common. This method involves watering plants by hand using a watering can or a hose with a nozzle. The advantage of this method is that it allows gardeners to control the amount of water that each plant receives. It is also a good way to check the soil moisture level and ensure that the plants are not overwatered.

To ensure proper watering, gardeners must be mindful of the amount of water they use. Overwatering can lead to root rot and other issues. On the other hand, underwatering can cause plants to wilt and die. It is important to water plants thoroughly, but not too often.

A good tip for manual watering is to water plants in the morning or evening when the temperature is cooler. This will help prevent water loss through evaporation.

Automated Irrigation Systems

Automated irrigation systems are becoming increasingly popular among gardeners. These systems use timers and sensors to water plants automatically. They can be set up to water plants at specific times of the day or when the soil moisture level drops below a certain point.

There are several types of automated irrigation systems available, including drip irrigation, misting systems, and sprinkler systems. Drip irrigation is a popular choice for mini and small greenhouses because it delivers water directly to the roots of the plants, reducing water waste. Misting systems are great for propagating seedlings, while sprinkler systems are more suitable for larger greenhouses.

Automated irrigation systems are convenient and can save time and water. However, they can be expensive to install and maintain. Gardeners must also be careful not to overwater their plants, as this can lead to waterlogging and other issues.

In conclusion, both manual watering methods and automated irrigation systems have their advantages and disadvantages. Gardeners must choose the method that works best for their needs and budget. With proper watering and irrigation, plants in mini and small greenhouses can thrive and produce a bountiful harvest.

Plant Selection for Greenhouses

When it comes to selecting plants for a mini or small greenhouse, there are a variety of options to choose from. In this section, we will explore some of the best plants to grow in a greenhouse, including vegetables and fruits, flowers and ornamentals, and herbs.

Vegetables and Fruits

Many vegetables and fruits thrive in a greenhouse environment, making it an ideal space to grow your own produce year-round. Some of the best options for a mini or small greenhouse include:

• Tomatoes: These popular fruits (yes, fruits!) are easy to grow in a greenhouse and can produce an abundance of fruit throughout the growing season.
• Cucumbers: Another popular greenhouse crop, cucumbers are easy to grow and can be trained to grow vertically to save space.
• Peppers: Whether you prefer sweet or spicy varieties, peppers are a great addition to any greenhouse garden.
• Strawberries: These sweet berries are perfect for small greenhouse gardens and can be grown in containers or hanging baskets.

Flowers and Ornamentals

Greenhouses are also ideal spaces for growing a variety of flowers and ornamental plants. Some of the best options include:

• Orchids: These exotic flowers thrive in the warm, humid environment of a greenhouse and can add a touch of elegance to any space.
• Geraniums: These colorful flowers are easy to grow and can bloom for months on end in a greenhouse environment.
• Begonias: With their vibrant colors and unique foliage, begonias are a popular choice for greenhouse gardens.
• Succulents: These low-maintenance plants are perfect for small greenhouse gardens and can add a touch of green to any space.

Herbs

Growing herbs in a greenhouse is a great way to ensure a steady supply of fresh herbs throughout the year. Some of the best herbs to grow in a greenhouse include:

• Basil: This popular herb is easy to grow and can be used in a variety of dishes, from pasta sauces to pesto.
• Rosemary: With its fragrant leaves and woody stems, rosemary is a great addition to any greenhouse garden.
• Thyme: This versatile herb is perfect for seasoning meats, vegetables, and more.
• Mint: Whether you prefer peppermint or spearmint, this refreshing herb is easy to grow and can be used in a variety of drinks and dishes.

Overall, there are plenty of plants to choose from when it comes to selecting plants for a mini or small greenhouse. By choosing the right plants for your space and climate, you can create a thriving greenhouse garden that will provide you with fresh produce, beautiful flowers, and flavorful herbs year-round.

Maintenance and Care

Mini and small greenhouses require regular maintenance and care to ensure the health and growth of the plants inside. This section covers two important aspects of maintenance and care: cleaning and disinfection, and pest and disease management.

Cleaning and Disinfection

Regular cleaning and disinfection of a mini or small greenhouse is essential to prevent the spread of diseases and pests. Here are some tips to keep your greenhouse clean:

• Remove all plant debris, including dead leaves and stems, and dispose of them properly.
• Sweep the floor and benches regularly to remove any dirt or debris.
• Disinfect the greenhouse surfaces with a solution of 1 part bleach to 9 parts water. Be sure to wear gloves and protective eyewear when handling bleach.
• Clean the greenhouse cover with a mild soap solution and a soft cloth. Rinse thoroughly with water and allow to air dry before closing the greenhouse.

Pest and Disease Management

Pests and diseases can quickly spread in a mini or small greenhouse if not managed properly. Here are some tips to keep your plants healthy:

• Inspect your plants regularly for signs of pests or diseases, such as yellowing leaves or wilting.
• Remove any infected plants immediately to prevent the spread of disease.
• Use natural pest control methods, such as introducing beneficial insects like ladybugs and lacewings, or using sticky traps to catch flying pests.
• If chemical pesticides are necessary, use them sparingly and according to the manufacturer’s instructions.

By following these maintenance and care tips, you can ensure the health and growth of your plants in a mini or small greenhouse.

Greenhouse Accessories

Greenhouse accessories are essential tools that help gardeners optimize their mini or small greenhouses. These accessories come in different shapes, sizes, and designs, and they can be used to enhance the greenhouse environment, improve plant growth, and increase productivity. Here are some of the most popular greenhouse accessories:

Shelving and Storage

Shelving and storage accessories are designed to help gardeners organize their greenhouse space effectively. They come in different sizes and materials, and they can be used to store different types of plants, tools, and equipment. Some popular shelving and storage accessories include:

• Wire shelving units: These are lightweight, durable, and easy to install. They can be used to store pots, trays, and other gardening supplies.
• Seed starting trays: These are designed to help gardeners start seeds indoors. They come in different sizes and materials, and they can be used to grow different types of plants.
• Tool organizers: These are designed to help gardeners keep their tools organized and easy to access. They come in different sizes and materials, and they can be mounted on walls or hung from the ceiling.

Lighting Solutions

Lighting solutions are essential for greenhouse gardening, especially in areas with limited sunlight. They can be used to supplement natural light, extend the growing season, and increase plant growth. Some popular lighting solutions include:

• LED grow lights: These are energy-efficient, long-lasting, and versatile. They can be used to provide different types of light, including red, blue, and white, which can be customized to suit different plant needs.
• Fluorescent grow lights: These are affordable, easy to install, and effective. They can be used to provide a wide spectrum of light, which can promote plant growth and development.
• High-pressure sodium (HPS) grow lights: These are powerful, efficient, and long-lasting. They can be used to provide intense light, which can be beneficial for flowering and fruiting plants.

Monitoring and Control Devices

Monitoring and control devices are designed to help gardeners maintain optimal greenhouse conditions. They can be used to monitor temperature, humidity, light, and other environmental factors, and they can be used to control heating, cooling, and ventilation systems. Some popular monitoring and control devices include:

• Digital thermometers and hygrometers: These are designed to help gardeners monitor temperature and humidity levels. They can be used to adjust heating and cooling systems accordingly.
• Automatic vent openers: These are designed to help gardeners regulate greenhouse temperature and humidity levels. They can be used to automatically open and close vents based on environmental conditions.
• Programmable thermostats: These are designed to help gardeners control heating and cooling systems efficiently. They can be used to set temperature and humidity levels based on plant needs and time of day.

Frequently Asked Questions