Go to your family doctor, explain your situation, request an androgen blocker, then make an apointment with a gender therapist.
Do not waste your money on snake oil and wizard charms. Get real medical assistance. If any herb actually worked as a good HRT don't you think every transwoman here would be all over it and there would be lengthy posts on how best to use said plants?
I only know of 1 plant that actually can be of use to a transwoman and that is spearmint, in rather large quantitys. And all it does is slow down your body hair growth so its efficacy is not always optimum.
Many herbs have drugs in them, you should not be ussing them unless you know what is in said plant. Also controling doseages of herbs is not easy if not impossible. Two plants of the same species, one might have 2x the active chemicals you are looking for and anouther could have less than 1% of whats needed.
Just go to a doctor.