tagetes patula, tagetes erecta, ageratum houstonianum and other plants in marlygarten in sanssouci park of potsdam, germany.

ageratum tagetes natural europe grass travel landscape green nature tourism culture asteraceae beautiful berlin germany bloom botany color flora flower garden july marigold marigolds mix mostly orange outdoor park plant summer patula yellow erecta houstonianum sanssouci potsdam history monument tree background sky trees view building plants germany other marlygarten