Why Do Plants Grow Better in a Greenhouse?

Written by sharon sweeny
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Why Do Plants Grow Better in a Greenhouse?
Control your plants' environment in a greenhouse. (onion greenhouse image by Alex Motrenko from Fotolia.com)

Outdoor gardening has its risks. You're at the mercy of Mother Nature and the verities of unpredictable weather. A greenhouse removes this from the growth equation. It is possible to create an ideal greenhouse environment for a variety of plants by varying the humidity, temperature and amount of light, both natural and artificial.

Consistent Temperature

Greenhouses are controlled environments, and their temperatures remain relatively consistent from day to day and night to night. Plants experience less stress, and more of their energy goes to growing rather than battling the elements.

Fewer Pests or Diseases

Although greenhouses are not immune to pest or disease infections, plants are exposed to fewer pests and diseases than plants growing outdoors. Plants not expending energy to fight damage from pests and diseases grow better and healthier.

Extended Daylight

Greenhouse plants grown with the addition of artificial light grow faster and larger than plants in the wild. Extending the daily amount of light plants receive increases their growth rate. Plants are able to produce more chlorophyll when exposed to longer periods of light, whether natural or artificial.

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