[pbs] What promotes blooming?
jegrace
jegrace at rose.net
Thu Oct 11 18:48:19 EDT 2007
I like the idea of barometric pressure and will need to test- I had been
thinking it was something having to do with lightning
I can tell you for a fact that several of my Zephyranthes, Habranthus,
Crinum and Rhodophialas can tell the difference between natural rain and
anything I can come up with. I have tried hose water, sprinklers, (both
city water) and rainwater from a barrel. Depending on the bulb some of the
more "easy" ones respond to quantity, a few more to quality (rainwater) but
most of them stubbornly wait for the real thing- rainwater from the sky.
Size, age, temperature and timing definitely come into play but I still
think some bulbs have other triggers.
Erin Grace
Thomasville, GA, USA
Zone 8b, AHS heat zone 9
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