Summer 2025 Newsletter

Summer Greetings! We are more than halfway through what promises to be a historic year for the Portland Botanical Gardens. With a plan to close on the McCormick & Baxter site by the end of the year, we are ramping up efforts across the board—from site planning to public engagement to fundraising.  To that end, what […]


Spring 2025 Update

Happy Earth and Arbor Days! We hope this finds you well and enjoying the beautiful spring weather. This update comes right between Earth Day (April 22) and Arbor Day (April 25), days of stewardship and celebration of the natural world, and a great time to share news about the Portland Botanical Gardens (PBG). As many […]


Green Normalized Differentiated Vegetation Index

Multispectral Imagery of McCormick & Baxter

UAS (drone) bird’s eye photo over central part of the McCormick & Baxter beach & riparian area Calculating and Interpreting Multispectral Imagery Multispectral imaging creates several images for each photo based on defined wavelength bands, in this case Green, Red, and Near Infrared (NIR). This information is used to analyze and visualize the photosynthetic activity […]