thanks everyone; Diana, Mike, Greg and Stan, each of you for your messages and links too.
@Sscape I have saved the daylilydiary to enjoy reading; and
@Hazelcrestmikeb have put a watch-thread on Daylilies of the Antipodes. I can feel a sweet obsession coming on .... Look forward to learning from you when more of the heatwaves of summer have passed; I'll be ordering. (41°C for today's temp).