Editing Subtropics (section)

== Flora ==
[[File:Parque Tingui Curitiba Brasil.jpg|thumb|right|[[Live oak]] with [[araucaria]]s in [[Curitiba]], [[Brazil]]]]
These climates do not routinely see hard freezes or snow due to winter on average being above freezing, which allows plants such as palms and citrus to flourish.<ref>{{cite book|url=https://archive.org/details/datepalmanditsu00swingoog| page=[https://archive.org/details/datepalmanditsu00swingoog/page/n17 11]| year=1904| publisher=United States Government Printing Office| author=Walter Tennyson Swingle| title=The Date Palm and its Utilization in the Southwestern States}}</ref><ref>{{cite journal|url=https://books.google.com/books?id=kTAaAAAAYAAJ&pg=PA1 |title=Manual of Tropical and Subtropical Fruits: Excluding the Banana, Coconut, Pineapple, Citrus Fruits, Olive, and Fig |journal=Nature |volume=108 |issue=2715 |author=Wilson Popenoe |page=7|year=1920|access-date=24 March 2013|bibcode=1921Natur.108Q.334. |doi=10.1038/108334a0 |hdl=2027/hvd.32044106386147 |s2cid=4110679 |hdl-access=free }}</ref> As one moves toward the tropical side the slight winter cool season disappears, while at the poleward threshold of the subtropics the winters become cooler. Some crops which have been traditionally farmed in tropical climates, such as [[mango]], [[litchi]], [[avocado]] and [[aloe vera]], are also cultivated in the subtropics.  Pest control of the crops is easier than in the tropics, due to the cooler winters.<ref>{{cite web|url=http://www.ihc2010.org/docs/S18.Book%20of%20Abstracts.pdf|title=S18.001: Current Situation and Challenges of Cultivating Banana and other Tropical Fruits in the Subtropics|author=Galán Saúco, V. Robinson, J. C., Tomer, E., Daniells, J.|year=2010|work=28th International Horticultural Congress|access-date=24 March 2013|url-status=dead|archive-url=https://web.archive.org/web/20130501234931/http://www.ihc2010.org/docs/S18.Book%20of%20Abstracts.pdf|archive-date=1 May 2013}}</ref>

Tree ferns ([[pteridophytes]]) are grown in subtropical areas, as are [[Dracaena (plant)|dracaena]] and [[yucca]], and trees in the [[Taxaceae]]. [[Apple]], [[pear]] and [[pomegranate]] also grow well in the subtropics.<ref>{{cite web|url=http://www.eolss.net/Sample-Chapters/C10/E5-03-02.pdf|title=Forests and Forest Plants Volume II – Important Tree Species|author1=R. K. Kholi |author2=D. R. Batish |author3=H. B. SIngh  |name-list-style=amp |publisher=Encyclopedia of Life Support Systems|access-date=9 April 2013 }}</ref>
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