Maintaining a landscape deep with both history and present purpose involves extensive planning, expertise, and management:
https://penntoday.upenn.edu/news/keeping-campus-trees-all-6800-them-healthy-and-vibrant
To read more about this historic locale, see here:
https://link.springer.com/article/10.1007/s00267-017-0934-0
On the evening of Thursday the 15th of November, beginning at 7:30PM, the Philadelphia Botanical Club will have its monthly public meeting, and Jill Jonnes (Jilljonnes.com ; author of numerous books, in including “Urban Forests”) will talk about plants and history, in a lecture titled “The Strange But True Story of the Dawn Redwood”.
For more information, see here: http://darwin.ansp.org/hosted/botany_club/meeting.html
A Rock Wren was recently located nearby to Philadelphia, and – as is so often the case – there is a rich historic link to be found, connecting our current landscapes to what, and who, was here before:
https://matthewhalley.wordpress.com/2018/10/05/rock-wrens-in-pennsylvania/
Understanding changes through time requires an understanding of what was here before. Biological collections are phenomenal repositories for just that kind of information:
A botanical, horticultural and historical find was recently made in the McLean Library of the Pennsylvania Horticultural Society:
On the evening of Thursday the 26th of April, beginning at 7:30PM, the Philadelphia Botanical Club will have its monthly meeting, and Tanya Livshultz (of the Academy of Natural Sciences) and Cindy Skema (of the Morris Arboretum) will talk about city plants, in a lecture titled “Mid-Atlantic Megalopolis: Understanding Urbanization through Plant Specimens”.
For more information, see here: http://darwin.ansp.org/hosted/botany_club/meeting.html
Historic landscapes are filled with recurring ephemera – which can change as time and technique move forward:
https://penntoday.upenn.edu/news/1how-morris-arboretum-working-extend-cherry-blossom-season
