What is a Zone?
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The zone of a location is determined by the
average annual extreme minimum temperatures. Essentially, how cold an area typically is. |
The zone of a plant is determined by the
minimum temperature threshold of that species. Basically, the coldest temperature it can survive.
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Other factors, such as elevation, exposure, and urbanization can impact your yards average temperatures.
Each yard is a micro-climate and could have average winter temperatures that differ to the surrounding area.
A courtyard or Southern Facing wall could be a different zone than a Northern facing wall on the same property.
If you live in Durango use Chapman Hill as a reference. Due to its proximity to the river and its minimal exposure to sunlight in winter, it is capable of staying colder and reaching colder temperatures hence it is a great place for snowy fun! If you plant a Zone 6 plant on that hill, it may not emerge from dormancy in spring. However, a zone 6 plant could live happily on the southern side of the hill or up at the college.
Record and use the Temperatures of your landscape to ensure correct Zone selection.
Trees for High Elevations
*Includes Trees listed for Higher Elevations
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All Rights Reserved
All Rights Reserved