Garlic Mustard

Allaria petiolata

Spotted Knapweed

Centaurea stoebe ssp. micranthos

Exotic Herbaceous Plants

Chicory

Cichorium intybus

Helleborine Orchid

Epipactis helleborine

Flower-in-an-hour

Hibiscus trionum

Purple Loosestrife

Lythrum salicaria