![]() ![]() 'Systems range from providing background warmth against frost to constant heating. However, for a lot of gardeners, when planning a greenhouse heating of some kind will be necessary to get the most out of it. Control the greenhouse temperatureĪ great deal can be achieved with an unheated or ‘cold’ greenhouse, especially in warmer or milder zones. 'If you have got the space for a substantial sized greenhouse – 30 sq meters minimum – you can place a growing bed in the center and produce a very impressive crop during the winter months, such as growing potatoes or carrots,’ Chris adds. Winter – Utilize the greenhouse for overwintering tender plants to protect them from frost and use fleece if needed. 'This makes good use of available space which has arisen after the summer,' adds Kate. 'Ensure that watering is maintained and ventilation adequate, adding shading if required,' says Kate.įall – As it gets nearer to the colder months, check to see which crops you would like to grow in the greenhouse, such as cut and come again salads, which can be grown throughout the year. Summer – Cultivating fruit and vegetables in a temperature controlled environment is the best way to ensure a healthy summer crop. The remainder will sit on the benches and produce a big summer salad crop,' says Chris Sawyer ![]() Spring – 'Aim to take 70 per cent of the crop out into the garden when the last threat of frost has passed in the spring. When the time is right, assess which plants are ready to pot up in the greenhouse or plant out in the garden. 'Staggering sowing helps to maintain a regular flow of produce throughout the year.' January and February – 'You can start to sow many varieties of vegetables, salads and herbs in the greenhouse such as peppers and aubergines, and if you're growing tomatoes and some cucumber varieties,' advises Kate Watkinson of seed specialists Burpee Europe. Using a gardening calendar you can plan the successions of sowings 'Canny gardeners plan a greenhouse to have a planned rotation so that they are constantly supplied with homegrown crops,' explains Tom Barry. There are many choices when it comes to the best food to grow in a greenhouse, so opt for the crops you like to eat. Planning a greenhouse for year round use will mean you make best use of this valuable growing space. ’I would always recommend installing southerly facing benches in a greenhouse the sun will shine through the glass and across to the opposite side where you would grow on the ground and make the most of the better light,’ advises Chris Sawyer. Shelving improves the appearance and visual impact of a greenhouse by creating elevated displays of ornamental plants,' adds Tom Barry. 'Top shelf staging is ideal for orchid care as this can mimic their natural environment well, as they grow in trees. 'Lower benches are useful for flowering plants that are "resting", such as corms like cyclamen and tubers like achimenes – they are also useful for organizing watering cans and spare pots. ![]() 'It is a good idea to have a mixture of bench and shelving levels when planning your greenhouse to suit different plant species,' explains Tom. Install shelving under growing surfaces on benches for storing seeds, pots, compost, seed trays, gloves and tools, as well as displaying plants. Use every available space to its full advantage.
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