Table of Contents
As November arrives, gardeners in Zone 1 face the challenge of protecting their plants from the harsh winter cold. Properly preparing your greenhouse can extend your growing season and ensure your plants survive the winter months.
Assessing Your Greenhouse
Start by inspecting your greenhouse thoroughly. Look for any damage to the structure, such as cracks or leaks, which could let in cold air. Check the seals around doors and vents to ensure they are intact and functioning properly.
Insulating Your Greenhouse
Insulation is key to maintaining warmth. Consider adding bubble wrap or thermal blankets to the interior walls. These materials trap heat and help keep the temperature stable during cold nights.
Using Bubble Wrap
Apply bubble wrap directly to the glass or plastic panels, securing it with clips or tape. It provides an effective barrier against cold drafts while allowing light to pass through.
Adding Thermal Blankets
Thermal blankets can be draped over plants or hung inside the greenhouse at night. Remove them during the day to allow sunlight in.
Heating Options
In Zone 1, supplemental heat may be necessary to prevent freezing. Consider using space heaters designed for greenhouse use, ensuring they are safe and properly ventilated.
Choosing the Right Heater
Opt for electric or propane heaters with thermostats to maintain consistent temperatures. Avoid open-flame heaters that could pose fire risks.
Managing Ventilation
Proper ventilation prevents excess humidity and mold growth. During the day, open vents slightly to allow fresh air in, but close them at night to retain heat.
Protecting Plants
Move sensitive plants to the most insulated parts of the greenhouse. Cover potted plants with blankets or burlap for additional warmth. Mulching around the base of plants helps retain soil heat.
Preparing Water Systems
Drain and disconnect watering systems to prevent freezing and damage. Cover outdoor water tanks and pipes with insulation wraps or blankets.
Final Checks Before Winter
Before the coldest weather arrives, do a final inspection. Ensure all insulation and heating are working properly. Stock up on supplies like extra mulch, heating elements, and repair materials.
Conclusion
Preparing your greenhouse for winter in Zone 1 requires planning and effort, but the rewards are worth it. With proper insulation, heating, and plant protection, you can enjoy a productive greenhouse year-round, even in the coldest months.