When the autum passes and winter sets in, naturally the temperatures drop.
You may be wondering do greenhouses actually still work in winter and the answer is yes they do. Many people grow throughout the year with the help of advance tools and equipment, its possible to still grow certain types of plants and vegetables even in the colder climates.
Will a greenhouse keep plants from freezing?
A greenhouse will definitely keep your plants from freezing, providing it has an above 0 temperature inside it.
Temperature can be controlled by having a greenhouse heater in your greenhouse and keeping it at a few degrees above 0 so your plants will moderate and survive.
Its not necessary to have a heater though, as long as your greenhouse is well insulated and sealed, the temperature on the inside should be more than a few degrees warmer than outside.
How do you keep a greenhouse warm in the winter?
The best way is to have a heater and also a good thermometer to help you monitor the temperature inside of you greenhouse.
If you want to invest some money into your greenhouse set up, you purchase an automated system that will both increase heat and decrease the heat based on the setting you desire.
Another way to achieve this is to have a small heater and also keep one of the windows of the greenhouse slightly open to allow air and ventilation thus moderating the temperature.
What can you grow in an unheated greenhouse in the winter?
Growing more hardy crops such as cabbage, broccoli, spinach, brussel sprouts and potatoes or certain herbs can be achieved in winter and these types of crops can withstand winter easily and actually thrive better in winter.
How do you winterize a greenhouse?
- Buy and install heater for you greenhouse
- Clean up and make your greenhouse ready for the winter after the summer and autumn harvests
- Ensure you have insulated well your greenhouse
- Install a thermometer so you can easily monitor the temperature outside and inside the greenhouse and adjust the heating accordingly.
- Install a fan so it can easily pass the warm air throughout the greenhouse
- Keep a window in the greenhouse ajar to allow a little natural airflow and the warm heat from the heather to pass through and out.