Crinum luteolum (was Crinum flaccidum )

Tim Eck via pbs
Tue, 25 Jan 2022 15:29:34 PST
Are they normally summer-flowering?  I accidentally bloomed one last summer
in the middle of September - mid-March for you.  My seed were also from
2010 so don't give up hope but don't ask me my secret - I had mostly
forgotten about it and last year was especially bad for weeding and care in
zone 6 - 7 Pennsylvania

On Tue, Jan 25, 2022 at 6:04 PM Bruce Schroder via pbs <> 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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