Epilobium hirsutum
- Families: Onagraceae Onagroideae Epilobieae
- English name: Great willowherb
- Plant ID : 6670
- Author : Carl von Linné
- Zone : Mediterranean
- Biological type : plant
- Adult size (h x w) : 6,56f x 6,56f
- Sun exposure : part sun
- Evergreen : semi-evergreen
- Growth : fast
- Hardiness : 5°F
- Leaf color : bright green
- Flower color : lila
- Formerly of wild origin : yes
- Native : yes
- In danger : no
- Edible : no
- FrostResistance >-5°C : yes
- FrostResistance >-8°C : yes
- FrostResistance >-12°C : yes
