oenothera biennis growing under snow in november. berlin, germany

yellow wildflower wild undefined species snowflakes snow sisymbrium season primrose plants plant petal outdoor organic onagraceae oenothera november nature natural medicine medicinal loeselii leaves leaf lawn landscape herb growth growing green golden germany gardening garden frozen frost freshness flowers flowering flower flora family eveningprimrose evening elder day common color cold cathartica buttercup bright branch botany blossom blooms blooming bloom biennis berlin beauty