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smrozak ADMIN March 1, 2018
Welcome to the 2018 Tree Spotting season! We suggest that you visit the trees you plan to observe now. The more you know about the dormant phase of your trees, the easier it will be for you to spot the changes that occur as the days get longer and the temperatures rise! As always, if you have any questions, email us at

This group pool is for members only.

This group discussion is for members only.

Group Description

This group is for members of the Arnold Arboretum's Tree Spotters Citizen Science program to share photos of the trees we are observing, as well as photos of Tree Spotter events (e.g., Tree of the Month Gatherings). Each tree photo must be tagged as described in the Group Rules section below.

The Tree Spotters program is open to anyone, but you must be trained in order to participate. For more information, see

Group Rules

You must tag each photo of a specific tree with the Accession Number and the date on which the photo was taken, using the DD-MON-YYYY format (e.g., 03-DEC-2016).

We also encourage you to use the following optional tags, as appropriate: Your first and last name (e.g., "Suzanne Mrozak"), Route Name (e.g., "Beech Route"), Common name (e.g., "American beech"), Scientific name (e.g., "Fagus grandifolia"), and "Tree Spotter Event" for organized Tree Spotter activities (e.g., Training classes, Focus Tree Gatherings). Note that you will have less clutter in your tags if you enclose strings of words in quotes, as shown above. If you forget to do that, each individual word becomes a tag, which can be a little overwhelming.

if you have any questions regarding tags, please email us at

Additional Info

  • This group will count toward the photo's limit (60 for Pro members, 30 for free members)
  • Accepted content types: Photos, Videos, Images
  • Accepted safety levels: Safe
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