Treatment at 20ºC for 21 days and washing with warm water for 24 hours is recommended.
- Direct sowing at 5º C maximum, taking 7-30 days to germinate.
- Heat treatment (100º C) for 5 minutes.
- Heat treatment (100º C) for 30 minutes. Although very similar results are obtained with a lower temperature for the same period of time.
- Mechanical scarification with sandpaper and immersion in hot water (90º C) and cooling for 24 hours, obtain germinations close to 45% in the first case and 40% in the second case.
Early Spring, Late Spring, Early Summer, Late Summer
Early Autumn, Late Autumn