reporter: louiuise swemm s saya priority i is prorotecthe plplants that grgrow in the p.tat the workskshops, the heas discscuss whether r they can e leaves r rather than b bark. louise: it's really an engagement process. we are here to talk and d to len togegether with ththe healersd try anand work out w ways in wh wewe can work totogether to se sosome of these e plants for e bebenefit of everybody. reportrter: all the healers at e woworkshop get s some saplingo plant on their land so they veve theieir owsourcece of leaves ad bark.. but the vovolume is not t neay enough to o supp the c cits. that is another problem. loui: ouour fit phasase has really been about supplyg g the substence e maet and we're going toe e lookg intotoays of tryingo adaddrs the commercial mamarket throughgh promoting as to these p plants that w we're growing. reporterer: after the e sessi, louise swemmer and rosie makhubena meet a woman who took partrt in their vevery first workshopop six years a ago. ththe seedlings s rose chauket back then arare flourishining. evidence the propagationroroject is