Shore zones of lakes or ponds. The roots can tolerate waterlogging.
The blooming period of the showy yellow and bushy flowers extends from spring to summer, depending on location and distribution area. The inflorescence stem in the middle or upper stem area, leaf axillary is 1.5 to 3 centimeters long, smooth or sparsely glandular or shaggy hairy.
Lysimachia thyrsiflora WFNY-163.jpg, Public Domain
"Lysimachia thyrsiflora sl50" by Stefan.lefnaer is licensed under CC BY-SA 4.0.
"Tufted Loosestrife (Lysimachia thyrsiflora) - Time, Norway 2021-08-07" by Ryan Hodnett is licensed under CC BY-SA 4.0.