Planting, Seeds Cobaea February 10, 2022 / Feb 10/02/22 16 seeds planted Cobaea… So here they go, coir pellets soaking ready for seeds… Soaked Cobaea seeds I have soaked my Cobaea seeds for about 2hrs (you don’t have to – you can just sow). Ready for seeds I sow my Cobaea seeds side ways up so that the flat parts dont sit in water.