How do you overwinter Echium pininana?
Overwintering. If you grow Echium in containers, tender species can be moved to a light, frost-free place to protect them from the cold and wet during winter. A heated greenhouse kept above 5°C (41°F) is ideal. If you grow Echium in containers, tender species can be moved to a light, frost-free place to protect them from the cold and wet during winter.Overwintering. If you grow Echium in containers, tender species can be moved to a light, frost-free place to protect them from the cold and wet during winter. A heated greenhouse kept above 5°C (41°F) is ideal.