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Now that your tomatoes, peppers, melons and cucumbers are planted, you should check to make sure that the cultivated varieties were all correct. What was the yield and taste? Were there any issues? For example, high rainfall in some areas this year resulted in high humidity levels, which could in turn effect your plants in the greenhouse. When planning or selecting plants for the next year, you should always make sure that the varieties chosen are suitable for your particular greenhouse. When buying young plants in a garden center, it can be difficult buy such varieties. Nevertheless, the offers in a garden center are mostly “professional varieties”, which have already demonstrated good yield, display quality characteristics and have a high...

The ratio of the window area (ventilation area without door) to the base of the greenhouse should be between 18 to 24 percent. This is the only way to achieve an air exchange in the summer with high radiation, which allows a temperature difference between inside and outside temperatures of at least 3 ° C. The exchange of air is also dependent on the wind speed.   When buying or building a greenhouse, you should pay attention to adequate ventilation flaps in all roof areas, if possible, in order to be able to ventilate the side facing away from the wind. Additional side vents are always helpful. The best location to install the windows is usually specified by the manufacturer. Using...

Tomatoes are grown in almost 90% of all greenhouses. Most of the time it is done without particular greenhouse heating mechanisms. Exotic plants such as orchids or cacti on the other hand, require heating.But beware: even and especially with tomatoes, greenhouse heating is worth it! Read on to find out why this is so and how to determine the optimal heating requirements. It is well known that a greenhouse must be well-insulated. For this, double-walled sheets (at least 16mm) of insulating glass and or bubble wrap are often recommended. Exotic plants always require constant heating. This means that far more energy is required in January than in July since the heating potential of a heat source always remains constant.On the...