Tree Registry

Harris County established the tree registry to encourage the preservation of exceptional trees. It records the largest trees in the county by native or naturalized species. The Harris County Big Tree Registry is published every 5 years and the 6th edition will be released in 2015.

2015 Harris County Big Tree Registry

Download the 2011 Harris County Tree Registry

Nominate a tree for the Harris County Big Tree Registry

Download the measuring rules and procedures

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