Always a clutch piece to my soil mix, I find rock phosphate to be my most important macro additive. This article talks about how it's great for the microbes and obviously for the flowers.

Sweets for Your Ladies

Humics are also a clutch additive, curious though... Right now bone of the local places are stocking til spring. Bc gardeners use it as a soil sweetener so I've got some bone meal. Anyone use bone meal during flowering?