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Yes, greenhouses keep the heat in so that plants can grow more easily.
A unheated greenhouse will only protect from frost to about 5 degrees below.
To allow plants to grow some heating will be required.
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What discovery allowed gardeners to grow orchids in greenhouses?
plese help me
When was Rainbow Greenhouses created?
Rainbow Greenhouses was created in 1985.
What is Rainbow Greenhouses's population?
Rainbow Greenhouses's population is 150.
What are greenhouses used for?
To separate the internal environment from the outside, usually to grow plants that do not do well in the normal environment of your location. The oldest use is just to heat the local environment to extend the growing season. Greenhouses are used for growing fruits or anything else during the winter.
Why would a farmer use a greenhouse in January?
They use greenhouses during winter so that the plants don't freeze and get destroyed. This is because some plants can not survive in the cold
What type of gas do greenhouses have inside?
Greenhouses have regular air (nitrogen and oxygen gases) inside.
Where can one find lean to greenhouse designs?
Design ideas for a lean-to greenhouse can be viewed on eHow. They offer information on mini greenhouses, window lean-to greenhouses and carport lean-to greenhouses.
Why do lettuces cost more in winter then they do in summer?
Because this vegetable only grows in the summer in most places. In the winter, lettuce is grown inside greenhouses and that takes money to heat and to keep the plants watered. This extra cost is charged to the consumer when they buy the product.
Why doesn't greenhouses need insects to pollinate flowers?
In short, they do. Greenhouses are not usually sealed, and insects can get in and out, and they will pollinate the flowers.
How greenhouses use energy?
Greenhouses use energy from the sun by making the plastic heat up and warm inside
Another word for greenhouses?
some other words for greenhouses are:- * glasshouse * hothouse * conservatory * pavillion * vinery * orangery
Did greenhouses exist in medieval times?
Yes. They existed in ancient Rome. Modern greenhouses reemerged in the 13th century in Italy.
