reportrter: all the healers at e woworkshop get s some saplingo plant on their land so they veve theieirwsourcece 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 making a a difference. she's happy y she no lononger ho buy her leavav, and d at she can help her cololleagues. rosese: i can even harvest leas toto give to othther healers o neneed them urgently. then they cacan use them to trt their patientsts. reporterthe more t the project takes root, , the less thehe prpressure on ththe trees grog ldld in thparkrk. the yield d from the ones s ine chauke's's garden is e enoughr he