The direction of prevailing winds should be taken into consideration, with structures oriented to take advantage of cooling summer breezes.Where fans are used for forced ventilation, they should be positioned to minimise any likely impact on neighbours.When siting a greenhouse, you also need to take into consideration the shading effect of vegetative screens and windbreaks. Sitting the greenhouse on a soil base with concreted in leg posts means that you can plant directly into the soil inside the greenhouse and that there will be good drainage. Although it is technically possible, it would make things complicated, as the staging inside needs to be horizontal. 0 Basket Account * Contact Help. Buy half-price apple tree Whether your visits are for Avoid putting your greenhouse on a slope. How to We can help with this greenhouse siting advice. Not only does this make putting it up easier, but it’s useful when panes or covers need replacing, and when cleaning or simply walking past. 2-for-1 Gardens Plants Back to Flowers & Plants Garden Plants.

Honeydew from insects on the foliage of trees can make the glass or plastic sticky and dirty. You need as much light as possible so site the greenhouse away from buildings and trees or bushes. A freestanding greenhouse can be a great opportunity to create a completely new space with few... Orientation.

Don’t put your greenhouse directly under trees. This is not such an issue in Australia because our light levels are much higher.Shadows cast by gutters, trusses and equipment in the roof of the greenhouse can lead to uneven light conditions in the crop.

Special Offers Flowers & Plants. Grafted on one single root stock are cooking variety 'Bramley' and eating apple 'Braeburn'.This hardy perennial blooms for up to five months every year, and makes an excellent cut flower. Locating greenhouses against a tree line will result in lower yields because of reduced light levels. When siting a greenhouse, you also need to take into consideration the shading effect of vegetative screens and windbreaks. These six delicious reds, including Malbec, Shiraz and Rioja will pair perfectly with chargrilled foods. As the sun moves from the east to the west during the day, the shadows of the greenhouse structure will also move. Thompson & Morgan - experts in the garden since 1855.

They’ll cast shade, which encourages green algae to build up, blocking even more light, while falling branches and leaves can cause damage and block guttering. Greenhouse covering materials near trees will also become quite dirty, further reducing light transmission. It’s also the most cost effective option. New greenhouse? As you go further north, there is even less difference in light transmission which ever way a greenhouse is oriented. Subsequently, to minimise shading effects, greenhouses are generally oriented north-south.In southern areas of Australia, an east-west orientation may result in slightly more light transmission, but the need for cooling and ventilation is a more important factor under Australian conditions. Limited time offer - save now Ensure your greenhouse has plenty of light. Orientation of Your Greenhouse The rule of thumb regarding the orientation of the greenhouse is that the ridge of the roof should point east to west, so that the longest side will get as much of the southern exposure as possible. They’ll … Here are some key points to consider: The greenhouse should be sited where there is plenty of light, but not exposed to high winds. You’ll need a spot with maximum light and sunshine, away from frost pockets and cold winds.It may seem a shame to sacrifice a prime location or an already productive spot in your garden, but when you weigh up the increased benefits – being able to grow crops all year round, extending the growing season, raising seedlings and overwintering tender plants – it’s a sacrifice worth making.Discover the six essentials of siting a greenhouse, below.Don’t put your greenhouse directly under trees.