Hey Ron, Thanks so much for the info. I wad sharing with another member earlier today that In general the root system of my H. paucifloris are not nearly as vigorous as the H. albiflos I have grown in exact same conditions. Thanks for the thoughts on soil amendments also. Have a great day, Mike San Diego On Tue, Aug 3, 2021 at 7:38 AM Ron Martinolich via pbs < pbs@lists.pacificbulbsociety.net> wrote: > Hi Mike, > I have those same bulbs growing in pots (4 inches diameter by 3.5 inches > high - 10 cm by 9 cm). These pots are really too shallow, the roots need > more room. Mix is 50/50 pumice and cactus potting soil. They are just > under the edge of a bench, where they get filtered light until midday, > after which they are in full shade. They get watered every 4 days. Your > friends' situation sound ideal. I would mix in pumice to 4 to 6 inches > deep (10 to 15 cm). This will keep the bulbs on the drier side, but allow > for plenty of moisture for the deeper roots. > > Ron > > From Eagle Rock (NE Los Angeles), where July was fortunately mild, > especially compared with last summer > USDA Zone 10a > _______________________________________________ > pbs mailing list > pbs@lists.pacificbulbsociety.net > http://lists.pacificbulbsociety.net/cgi-bin/… > Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net> > _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>