> I have just received some Passiflora seeds. Some are recently >collected, andsome are collected long time ago. Do anyone have any idea >of how longPassiflora seed viability lasts ? Do anyone know the right way >to germinatethem? Is cold treatment needed? I have kept Passiflora for as long as two years and they still germinated after soaking overnight in warm water. They germinate best in hight heat---80-85F. No cold treatment needed.