Valid "home brewed" root horomone alternatives?

[Ray]

Originally Posted by WaterWitchin

I cut my last go-round of willow in fall right before the leaves fall. The tea lasts around two months in the fridge. Mostly the orchids get Kelpak, everything else gets willow tea, and occasionally the orchids get the tea when I'm making up a big batch during the spring and summer for outside veggie garden and flower beds.

Why do you not use Kelpak on other plants?