As reported by Bolesławiec City Hall:

In Bolesławiec, flowering meadows cover a total of 2.3 hectares. In addition to the boulevard by the Bóbr River, they are located on Głowackiego Street—the municipal green areas—as well as in areas near Murarska Street, Tysiąclecia Avenue, Gałczyńskiego Street and Jana Pawła II Street.

Gallery (7)

Meadow by the Bóbr River
1 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Meadow by the Bóbr River
2 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Meadow by the Bóbr River
3 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Show remaining photos (4)
Meadow by the Bóbr River
4 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Meadow by the Bóbr River
5 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Meadow by the Bóbr River
6 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec
Meadow by the Bóbr River
7 / 7 Meadow by the Bóbr River · Photo author: UM Bolesławiec

And it lists: – Instead of a traditional lawn, these areas now feature blooming cornflowers, field corncockles, wild angelica, great mullein, ribwort plantain, broadleaf plantain, crown vetch, chicory, common St John’s wort, ragged-robin, hyssop, caraway, common bird’s-foot trefoil, meadow salsify, purple loosestrife, yarrow, drooping avens, dandelion, semi-long parsnip, marsh mallow, bistort, dyer’s chamomile, motherwort, meadow sage, wood sage, wild mallow, meadowsweet, tansy, oxeye daisy and viper’s bugloss.