Annual observance

Love a Tree Day

May 16 Nature / Outdoors Updated 2026-07-08

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Overview

Love a Tree Day, observed annually on May 16th, is an unofficial holiday dedicated to recognizing and appreciating the profound importance of trees in our environment and daily lives. It encourages individuals to acknowledge the numerous benefits trees provide, from generating oxygen and absorbing carbon dioxide to offering shade, supporting wildlife, and enhancing aesthetic beauty. The day serves as a gentle reminder to care for our arboreal friends, whether by planting new saplings, protecting existing forests, or simply spending time appreciating their natural grandeur.

Why it matters: Love a Tree Day, observed on May 16, highlights the essential role trees play in sustaining our environment and enhancing our quality of life. This day emphasizes the need for stewardship and appreciation of these vital organisms, which provide oxygen, habitat, and beauty to our planet.

Origin and story

Trees are the longest-living organisms on Earth, with some species able to survive for thousands of years.

A single mature tree can produce enough oxygen annually to support two people.

Quick facts

  • DateMay 16
  • TypeNature / Outdoors
  • Great forGardeners, Hikers, Eco clubs

Also on this date

Ways to celebrate

A single tree-lined street does more than look nice — researchers have tied urban tree cover to measurably lower neighborhood crime rates and lower childhood asthma rates, alongside the more obvious shade and cooling.

Do something for a tree

Celebrate by:

  • Planting a tree, or donating toward one being planted somewhere that needs it.
  • Spending real time under a favorite tree instead of just walking past it.

See the research behind the benefits

Helpful resources:

Did you know?

Trees in cities can cut life-threatening heat by up to 10 degrees Fahrenheit, and one study in Baltimore found a 10% increase in tree canopy was linked to a 12% decrease in crime.

Fun facts

  • Trees are the longest-living organisms on Earth, with some species able to survive for thousands of years.
  • A single mature tree can produce enough oxygen annually to support two people.
  • Trees can communicate with each other and share resources through an intricate underground network of fungi, often referred to as the 'wood wide web'.

Sources and attribution

Trees and Public Health (Arbor Day Foundation)

External links may lead to third-party websites.


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FAQ

When is Love a Tree Day?
It is observed on May 16 each year.
What is Love a Tree Day?
Love a Tree Day, observed annually on May 16th, is an unofficial holiday dedicated to recognizing and appreciating the profound importance of trees in our environment and daily lives. It encourages individuals to acknowledge the numerous benefits trees provide, from generating oxygen and absorbing carbon dioxide to offering shade, supporting wildlife, and enhancing aesthetic beauty. The day serves as a gentle reminder to care for our arboreal friends, whether by planting new saplings, protecting existing forests, or simply spending time appreciating their natural grandeur.
How do people celebrate Love a Tree Day?
Plant a tree or donate toward one, and spend real time under a favorite tree instead of just walking past it.

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