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Vegetables can be raised pretty well any time of year if you use greenhouse vegetable gardening plans. Cultivating them in a hothouse is similar to growing vegetables in the garden in summer. You simply have to take several added steps in order to artificially provide what they would get in a natural situation.

There are two different methods of using a portable greenhouse. One is known as the cold greenhouse technique and that is when just the sun throughout the day gives the greenhouse its heat. The temperature at nighttime commonly goes down to about 45 degrees at the coldest and heat does kick on when it gets very cold outside. No growing occurs in this type of greenhouse, however you can maintain many plants that will come back in the summertime such as rosemary.

Greenhouse vegetables have to have warmth and the second technique, the warm greenhouse system, ought to be utilized if this is the case. This technique will require more money because the temperature can’t fall below 55 degrees F. A heating system must be installed into your garden greenhouse. You can use a propane, electric or gas heater.

There is hardly a vegetable that can be grown in a garden that cannot be grown in a greenhouse. Look in seed catalogs to find seeds specially developed for greenhouse use. If you cannot find those get plants that maintain a compact size or that can be pruned back to be smaller than the outside plants. There is little room in a greenhouse and you do not want it to be used up with merely a few types of vegetables.

An important natural activity that must be undertaken artificially is pollination. Insects, especially bees, do not dwell inside. An example of pollinating a vegetable easily is done by pollinating tomatoes. Tomato vines should be tied to stakes made of bamboo and when the flower is ready the stakes need to be tapped both in the morning and at nighttime. You’ll know the flower is ready when the petals start to curve backwards. Pay close attention to this because there are just three days that the flowers will be producing pollen to pollinate the vegetable.

Since there’s not a great deal of sunlight during the wintertime you will need to add sunlight by making use of grow lights. Most vegetables need a minimum of eight hours of light a day. Naturally, the plants will also need to be watered and fertilized on a regular basis.

Greenhouse gardening throughout the winter is a bit more difficult and takes more time than in the summer, however it’s also worthwhile. You can go to the greenhouse on a snowy day in January and harvest a vine ripened tomato. You can have that summer filled taste any time of the year.