On the 12th days After Tua open

I was at my Tua on the 12th days after tua open, i was praying when i notice that 城王 there the Kim Luo have bean spout plant growing out , there is no water no sunlight how the heck the plant grow??

is even bigger today .... I check with many people all says is good its mean 發花 i took some pic of it ....