Container gardening is the practice of growing plants exclusively in containers instead of planting them in the ground. Pots, traditionally made of terracotta but now more commonly plastic, and windowboxes have been the most commonly seen. Small pots are commonly called flowerpots. In some cases, this method of growing is used for ornamental purposes. This method is also useful in areas where the soil or climate is unsuitable for the plant or crop in question. Using a container is also generally necessary for houseplants. Limited growing space, or growing space that is paved over, can also make this option appealing to the gardener.
Containers range from simple plastic pots, teacups to complex automatic-watering irrigation systems. This flexibility in design is another reason container gardening is popular with growers. They can be found on porches, front steps, and in urban locations, on rooftops. Sub-Irrigated Planters (SIP) are a type of container that may be used in container gardens. Potting material must be loose and allow drainage to offer proper aeration for roots to breathe, preventing root rot.
Re-potting is the action of placing an already potted plant into a larger or smaller pot. A pot that fits a plant's root system better is normally used. Plants are usually re-potted according to the size of their root system. Most plants need to be re-potted every few years, because they become "pot-bound" or "root-bound." Plants' roots can sense its surroundings, including the size of the pot it is in, and increasing the pot size allows plant size to increase proportionally.
- Less risk of soil-borne disease
- Virtually eliminate weed problems
- Mobile plants gives more control over moisture, sunlight & temperature
See also 
- Mills, Linn (29 January 2012). "Reap Benefits Of Container Gardening". Las Vegas Review Journal. Retrieved 1 January 2013.
- "Welcome To The World Of Container Gardening". University of Illinois. Retrieved 1 January 2013.
- Thompson, Al (18 December 2012). "Container Gardening Offers Many Benefits". Santa Maria Times. Retrieved 1 January 2013.
- Note: SIP simply means watering from below, in large commercial applications it would not be strictly a container garden.
- (2012). Want bigger plants? Get to the root of the matter. Society for Experimental Biology. http://esciencenews.com/articles/2012/07/01/want.bigger.plants.get.root.matter
- University of Illinois Container Gardening Guide
- Container Vegetable Gardening
- Improved Alaska Grow Bucket DIY self watering container.
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