The Hibiscus rosa-sinensis can be found anywhere! It grows on its own in sub-tropic and tropic regions of the world, ranging from 30 degrees north latitude to 30 degrees south latitude. Another organism that grows in the tropical regions is Piper nigrum (Black Pepper) and Morinda citrifolia (the Noni). The plant however can be grown in pots in regions that do not fit into this category. The Hibiscus rosa- sinensis is a common house plant in places such as Europe and the United States of America. The Hibiscus rosa- sinensis cannot live in regions that reach temperatures lower than 12 degrees Celsius or approximately 56 degrees Farhenheit. The Hibiscus rosa- sinensis grows in regions in the United States that are in the growing zones 9 through 11, which includes the regions of southern Texas, Florida, Hawaii, and southern California. Even though the plants will succeed in these regions, the plants may still be needed to be brought in as house plants or covered up for winter if there is a potential frost.
There may be some competition in the niche that the Hibiscus rosa- sinensis occupies. The Hibiscus rosa- sinensis is a plant that has secondary growth, meaning that it grows out instead of up. This may cause a problem for other plants in the niche. They may have to compete for space, nutrients, and sunlight with the Hibiscus rosa- sinensis. The plant may deprive many young trees from having the ability to develop in the tropical regions because the Hibiscus rosa-sinensis spreads anywhere from five to eight feet in width making it hard for the young trees to establish a root system. However, the Hibiscus rosa-sinensis may benefit some forms of ground cover that require shade to successfully grow. The prevalence of the Hibiscus rosa-sinensis may affect the carrying capacity on organisms such as the aphids, mites, and whiteflies. Even though whiteflies, aphids, and mites feed on other organisms, the decrease in population of the Hibiscus rosa- sinensis will affect these organisms drastically. If there is decrease in the Hibiscus rosa-sinensis when there is a relatively high population of these organisms it can lead to a major die off of the organism.
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