Crinum luteolum (was Crinum flaccidum )

James Waddick via pbs pbs@lists.pacificbulbsociety.net
Thu, 27 Jan 2022 09:18:08 PST
Thanks Bruce,

	Your comments about  extreme temperatures makes it more likely in my extreme climate and might not be so bad. Do you feed your plants heavily? Pot size?  I have read they need large deep pots to accommodate their deep bulbs and bulb size. 

	I certainly encourage you to try more hybrids to extend the possibility of good yellow growable Crinums. 

		Best wishes and stay safe.			Jim W. 




> On Jan 25, 2022, at 5:04 PM, Bruce Schroder via pbs <pbs@lists.pacificbulbsociety.net> wrote:
> 
> Jim
> In their natural habitat, summer temperatures can be as much as 50C (122F)
> with winter temperatures averaging a low of about 10C (50F).  Average
> annual rainfall is about 280mm or 11.1 inches and is distributed evenly
> throughout most months of the year although in summer, it will all fall in
> a short single burst and mostly run straight off with next to no
> infiltration into the soil.  The cooler months sees more drizzle type rain
> which better penetrates the soil.  The areas would NEVER see snow!
> 
> The desert areas in which they grow have just experienced last week one of
> the heaviest rainfalls in years so it will be interesting to see the result
> of this in a week or two.  Of course the rains bring hazards such as
> flooding and damage to roads so the area may be inaccessible for some time
> and the flowering may go unseen!
> 
> Because of the extreme heat, the bulbs have developed contractile roots
> which actually pull the bulb deep within the heavy compacted soils.  The
> base of the tennis ball size bulbs sit approximately 450mm (18 inch) below
> the surface with an extraordinarily long neck protruding to just below
> surface level when dormant.
> 
> Although I have grown my bulbs since 2010 (from seed), if success is
> measured in achieving flowering, then I have failed!  It is understood it
> can take 20 years or more from seed to flowering and although I am growing
> mine in "better" conditions than in the wild and perhaps I will get
> flowering sooner than that, I need to be very mindful of not pampering them
> with too much moisture because, given their natural habitat, they would be
> very sensitive to excess moisture.
> 
> Bruce Schroder, Melbourne, Australia
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