How to Start a Garden Greenhouse

Have you ever dreamed of enjoying a bountiful harvest regardless of the season? Greenhouse gardening is your gateway to turning that dream into reality!

Here, we’ll explore the steps to establish your own thriving oasis of green with a garden greenhouse. From choosing the right structure and building it to what plants to grow, we’ve got you covered. Keep reading!

Selecting the Right Garden Greenhouse

BillyOh Rosette Hobby Aluminium Polycarbonate Greenhouse
BillyOh Rosette Hobby Aluminium Polycarbonate Greenhouse

The right garden green house sets the stage for a successful cultivating venture. Your choice should harmonise with the space at hand and your gardening aspirations. Each material has its own merits and drawbacks, and the common kinds include:

Timber types exude rustic charm but require regular maintenance. In contrast, steel options are lightweight, durable, and resistant to rust. However, they may transfer heat. Polycarbonate ones offer excellent insulation and impact resistance. This makes them suitable for extreme climates.

Ventilation and insulation emerge as pivotal factors in nurturing your plants. Enter the question: how to ventilate a greenhouse? Adequate airflow prevents mould and optimises growth. Meanwhile, proper insulation safeguards against temperature fluctuations.

Equally paramount is the location, as it directly affects sun exposure. Position it to receive the optimal amount of sunlight throughout the day. Remember, a well-chosen greenhouse and spot amplifies your gardening triumphs!

Planning and Designing Your Greenhouse Garden

BillyOh Harvester Walk-In Aluminium Polycarbonate Greenhouse
BillyOh Harvester Walk-In Aluminium Polycarbonate Greenhouse

Careful layout planning is the foundation of a well-organised and productive garden oasis. It ensures easy access, efficient workflow, and optimal space utilisation. Pathways, shelving, and workspaces are key elements that warrant thoughtful consideration.

Beyond mere structure, the creation of microclimates within your greenhouse is crucial. Different plants have varying temperature and humidity requirements. Thus, arrange them strategically for tailored care. Create warmer pockets for tropical plants and cooler zones for temperate varieties.

Grab a pencil and sketch out a rough layout. Consider the positioning of plants, aisles, and any potential obstacles. This helps you make informed decisions on plant placement and the greenhouse for sale you’ll need!

Preparing the Ground and Setting Up

Site preparation is essential for a stable greenhouse foundation. Begin by levelling the ground to prevent uneven settling. Clear the area of debris and vegetation that could hinder construction. Adequate drainage is crucial; ensure proper grading to prevent water accumulation.

Assembling the wooden green house frame follows site preparation. Align and secure frame components as per manufacturer instructions. Once the frame is ready, install glazing materials: glass, polycarbonate, or plastic panels. Secure them firmly for insulation and protection. (Read our guide to greenhouse building for comprehensive instruction.)

Finally, set up necessary equipment like cheap benches, shelves, and irrigation systems. Properly anchoring the greenhouse ensures stability. This safeguards your investment and lays the groundwork for a thriving garden haven.

Choosing the Right Plants

BillyOh 4000 Lincoln Wooden Polycarbonate Greenhouse
BillyOh 4000 Lincoln Wooden Polycarbonate Greenhouse

Choosing the best plants for a greenhouse environment is pivotal to successful cultivation. Tailor your selections to match light, temperature, and humidity levels within the space. A mismatch can result in stunted growth or failed crops.

Fortunately, garden greenhouses provide an ideal haven for a range of plants. Tomatoes and peppers flourish in the warmth. Meanwhile, herbs like basil and mint thrive in controlled humidity. Exotic flowers such as orchids or tropical blooms bask in the regulated climate.

Here’s a list of beginner-friendly plants you may consider growing:

  • Tomatoes
  • Peppers (bell peppers, chili peppers)
  • Herbs (basil, mint, parsley, chives)
  • Cucumbers
  • Lettuce and other leafy greens
  • Spinach
  • Strawberries
  • Orchids
  • Geraniums
  • Succulents
  • Citrus trees (lemons, oranges)
  • Aloe vera
  • Begonias
  • Petunias
  • Fuchsias

These plants are generally well-suited for garden greenhouse growing. They offer a variety of colours, textures, and purposes.

Caring for Plants

Planting seeds or transplanting seedlings in your greenhouse is a gratifying process. Begin by preparing well-draining, nutrient-rich soil in pots or trays. Gently plant seeds at the recommended depth. Or you may carefully transplant seedlings, ensuring their root systems are intact. Make sure to water thoroughly after planting.

For successful greenhouse gardening, precise watering is key. Monitor soil moisture and adjust the frequency as needed. Aim for even moisture without waterlogging. Fertilise with a balanced, water-soluble fertiliser according to plant needs. Do so usually every few weeks.

Greenhouse pests can increase quickly, so keep an eye on them! Regularly inspect plants for signs of pests and use appropriate pesticides as necessary. Top tip: a clean environment, proper ventilation, and spacing between plants will go a long way.

Maintaining the Greenhouse Environment

Maintaining an optimal garden greenhouse environment hinges on constant vigilance over:

  • temperature
  • humidity
  • ventilation

Temperature directly influences plant growth rates and health. Meanwhile, humidity impacts transpiration and disease susceptibility. Adequate ventilation prevents excessive heat buildup and moulds.

To fine-tune these factors, invest in a thermometer, hygrometer, and ventilation system. Adjust temperature through heaters or fans. Control humidity with misting systems or dehumidifiers. And manage airflow by opening vents or using exhaust fans.

Regularly monitor and adjust settings based on plant requirements and external weather conditions. All these ensure a thriving, balanced ecosystem that nurtures healthy plants.

Extending the Growing Season and Harvesting

Inside a greenhouse with a climbing watermelon in sight

(Image Credit: Geograph UK)

A greenhouse extends the growing season by creating a controlled microclimate. Earlier planting is possible as the greenhouse traps heat. Meanwhile, later harvesting is enabled by shielding plants from frost.

To determine the optimal harvest time, observe fruit colour, size, and taste. For vegetables, harvest when they reach peak ripeness. Herbs are best harvested before flowering.

Our guide on “How Much Sunlight Does a Garden Greenhouse Need?” proves invaluable for maximising growth. For those with limited space, a wooden growhouse serves as a smart alternative. It offers enough room to store garden tools like a reliable folding garden kneeler.