There is no cure that will get rid of the hpv completely. Even if warts disappear the virus stays in the body.
You tried various things and they didn’t work for you. Sorry, don’t know about plant extract treatments, but have you talked to your gyn, maybe you should try medications?
There are several options: trichloroacetic acid burns off genital warts, but it must be applied only by a doctor. Other topical medications used to treat genital warts are aldara (boost your immune system ability to fight genital warts) and condylox (works by destroying genital wart tissue). If you have large warts there is a surgery options (cryotherapy, electrocautery) to remove them.