>Pure Sax longifolia seldom or never forms offsets, and is of course >monocarpic. Seed is the only practical means of increase. Tissue culture >might be a possibility but I never tried it when I had a lab set up. >Germination is as for other silver saxes. They have a cold and or Ga3 >requirement to germinate. Seed is very fine and should be Sown on top of >a pre gritted pot. Much of what is in cultivation under this name is >actually hybrids of longifolia to other silvers. All are easy wonderful >garden plants. >Bob Stewart Arrowhead Alpines How about root cuttings....or are we just being naive? Bill & Harvey SKID zone 6 CT USA