Greenhouses and polytunnels are two of the most effective ways to protect crops from the UK’s unpredictable weather and extend the growing season. On HomeGrower, we cover both — from small garden setups to larger structures for more serious growing.
Below, you’ll find our key greenhouse and polytunnel guides, including practical how-to articles, planning advice, and buying guides covering different sizes, styles, and budgets.
Whether you’re just getting started or looking to upgrade your setup, use the sections below to find the right guidance for your space — from understanding how they work to choosing the best option for your garden.
🌿 Planning & Choosing Your Setup
- Greenhouses and Polytunnels: The HomeGrower Guide
The main resource hub that maps out our greenhouse and polytunnel guides, helping you choose the right setup for UK conditions. - What Size Greenhouse Do I Need?
A practical guide to choosing the right greenhouse size for your space, including mini, 6×4, 8×6 and larger setups. - What Is the Best Type of Greenhouse?
A clear breakdown of greenhouse styles, materials, and designs to help you choose the right setup. - Greenhouse vs Polytunnel
A straightforward comparison to help you decide which structure suits your space and goals. - Greenhouse Orientation and Positioning in the UK
How sun, shelter, and airflow affect placement and performance in real UK gardens.
🌱 Using & Improving Your Greenhouse
- How to Use a Greenhouse (or Polytunnel)
A practical guide to day-to-day growing, including setup, watering, layout, and seasonal care. - How to Set Up a Mini Greenhouse
A simple step-by-step guide to assembling and using a mini greenhouse in UK conditions. - Start Tomatoes Early in a Mini Greenhouse
A practical example showing how to use a mini greenhouse to get earlier harvests in the UK. - Greenhouse Ventilation and Airflow
How to manage heat, humidity, and airflow to keep plants healthy. - Greenhouse Insulation: What Actually Works in the UK
A practical comparison of insulation methods and when they make sense. - How to Heat a Greenhouse
When heating helps and the safest options for UK growers. - How to Protect Plants from Late Frosts
Practical ways to protect plants during cold nights and spring cold snaps. - Greenhouse Growing Calendar
A month-by-month guide to what to sow, grow, and harvest.
🛒 Greenhouse & Polytunnel Buying Guides
- Best Mini Greenhouses UK
Compact options for patios, balconies, and tight spaces — best suited to seedlings and short-term growing. - Best Small Greenhouses UK
Freestanding greenhouses that offer a step up from mini options without taking over your garden. - Best 6×4 Greenhouses UK
A popular entry-level size for UK gardens — balancing usable growing space with a compact footprint. - Best 8×6 Greenhouses in the UK
Our recommended starting point for most UK gardens — offering more flexibility and room to grow. - Best Lean-To Greenhouses UK
Wall-mounted greenhouse options that save space and benefit from added shelter and heat retention. - Best Polytunnels UK
Larger growing structures for growers who want maximum space and serious season extension.