Greenhouse Ventilation Make Sure You Have The Perfect Horticultural Conditions This Summer.

So it's come to that time of year again when all gardeners from beginner to expert think about getting those plants into their greenhouse ready for those summer months. Now while the main purpose of the greenhouse is to provide plants with that little extra warmth and shelter you have to remember than they can have too much of a good thing. Scorching and overheating, if not monitored, can cause damage to plants (especially to the younger ones) in a very short space of time. Now greenhouse ventilation is certainly not anything to panic about, but something to seriously considering a little thought over.

Ventilation is arguable the most important way of doing just this, as without it you leave your plants open to problems and believe it or not but more plants die from overheating than from the cold. The reason being as ventilation serves four main purposes: regulating temperature, fresh air, prevents pest infestation and finally will encourage pollination. There isn't a priority to either of these points but all carry their own advantage.

The main purpose of vents is to keep the temperature more even and constant, providing your plants with a stable environment and fresh air. This is very important as plants require carbon dioxide to photosynthesize and if your greenhouse does not have a good air flow then you are starving them of the vital ingredient they need to produce sugars and grow. Furthermore, the movement of fresh air and circulation helps pollination to occur.

Ventilation is also an important factor in pest control, one many people do not realise. Not only does the poor ventilation make your plants feel sick, but also provides the perfect breeding ground for insects. In fact placing fans around plants that are plagued by pests can result in the creature leaving the greenhouse altogether.

A good tip for ventilation is to make sure you have low level ventilation by adding vents such as louver vents, and it is a good idea to keep these open during the warmer season. Adding one at the opposite end to the door will allow air through at each end and push the warm air up and through the roof vents. Furthermore, ones place round tomato plants as the air can circulate around the dense leaves.

It is worth noting here that there can never be too many types of greenhouse ventilation systems installed; whether they are roof vents or louver windows, as you do not have to open them all, but they are there if the temperature does rise considerably. The ideal set up would be to have one large vent in the roof and several vents near the base, this allows for cross-ventilation, and is the most natural type of ventilation. If you struggle to add extra vents into your greenhouse then using fans are great way of moving air around a greenhouse.

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