Finally after many round of trying to plant sunflower, I did it! From 5 seeds, 2 germinated and finally one made it with many sunflowers now. Been taking pics of the sunflowers everyday since it started to bloom till the day it withered. At first the sunflower seeds rot cos of the rain but I manage to harvest seeds from the 2nd flower. It' s just amazing to see it change everyday, at least for a crazy gardener like me.