The Park People
Friday, December 8, 2023

Tree Spacing Guidelines

Use this page to link from the Apply for Trees page

SPACING: Trees need room to grow. Your planting site(s) must meet the following spacing requirements:

Medium to Large Trees: shall be spaced thirty-five (35) feet apart and may be varied from 25-40’ apart if consistent with soil volume* provided and canopy width at maturity per the species descriptions and if such spacing allows for avoidance of other requirements such as streetlights or utilities.

Ornamental (Small) Trees: shall be spaced twenty (20) feet apart and may be varied from 15-25’ apart if consistent with soil volume* provided and canopy width at maturity per the species descriptions and if such spacing allows for avoidance of other requirements such as existing/proposed infrastructure, including streetlights and utilities.

*Soil Volume is the available root volume for the tree. This is calculated by the length, width, and depth of the tree planting area and can take into consideration factors such as the compaction of the soil. If your planting area is restricted, your tree will not grow to its full potential. While this calculation may seem complicated, you can take a practical approach. Roots will spread a bit further than the width of the tree and will continue to grow as the tree grows. If your planting bed is significantly narrower than the mature width of the tree, your tree's roots will be restricted. When it comes to depth, it's important to note that 50% of tree roots are in the top 12 inches of soil so make sure that your soil is deep and loose enough for the roots. 

Return to the Apply for Trees or the main Denver Digs Trees page.

 

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