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How to Improve Light in a Greenhouse or Polytunnel

Jan 27, 2026
This video explains how to improve light levels in a greenhouse or polytunnel to help plants grow better in cooler seasons. It shows why light is often the main limiting factor for early growth and how simple changes can make a big difference. The guide covers cleaning covers, positioning plants, managing shading, spacing crops and improving airflow to maximise available sunlight. It also explains how better light exposure helps seedlings grow stronger and reduces weak or leggy growth. If you are growing plants in a greenhouse or polytunnel, this video provides practical beginner-friendly advice to improve growing conditions and support healthy plant development.

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#Home & Garden #Home & Garden