The only place tequila agave can be grown is in very specific areas of Mexico. Anywhere else and it's not actually allowed to be labeled as tequila. But I just don't believe that it will be as impacted by hot, dry weather as other things. Source: my husband grows tequila agave in Jalisco and I've spent more time there among the agave, actually helping to fertilize and check health of the plants with him, than most internet people, other than those from Jalisco, of course