https://pfaf.org/User/Plant.aspx?LatinName=Samolus+valerandi
Samolus valerandi is a PERENNIAL growing to 0.3 m (1ft). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from June to August, and the...
samolus valerandiplant databasebrookweedseasidepfaf