Hardiness of Dracunculus vulgaris and Sauromatum, Was Amorphophallus bulbifer

Steve Marak via pbs pbs@lists.pacificbulbsociety.net
Wed, 26 May 2021 22:24:40 PDT
Sauromatum venosum has also been hardy here for 30+ years. It's 
flowering right now. It often sets seed, right at ground level, clusters 
of deep purple-black berries, but I don't see many self-sown plants and 
haven't tried germinating it.

The Dracunculus usually sets copious seed, and it's definitely fertile.

Steve

On 5/26/2021 10:33 PM, Judy Glattstein via pbs wrote:
> Dracunculus vulgaris has been hardy, here in western New jersey. I 
> know when it flowers - fortunately at the bottom of the driveway far 
> from the house - because I think, "Oh, there must be a dead and 
> rotting groundhog. No, it's the Dracunculus." Neighborhood dogs ignore 
> it. And I've never seen the black vultures circling over it.
>
> Sauromatum has also turned out to be quite hardy. And multiplying 
> enthusiastically too. They are emerging now, flowering, popular with 
> flies crawling over the spadix. No stench, not like the Dracunculus.
>
> Judy, happy to report we've finally had rain this evening, a 
> delightful 4/10th of an inch. And very welcome too.
>
>
> On 5/26/2021 11:16 PM, Steve Marak via pbs wrote:
>> I suspect it was wet + cold that killed the bulbifer I had outdoors, 
>> so I think your idea is good. Conveniently, bulbifer produces those 
>> propagules on the leaf so I had a couple of small ones to keep in the 
>> greenhouse as backup.
>>
>> I know there's considerable variation in hardiness of different 
>> strains of Dracunculus vulgaris, but so far every strain of Amorph. 
>> konjac I've tried has been hardy here, in almost all locations and 
>> soils short of waterlogged. They'll survive in strong sun, but seem 
>> to be much happier here in half shade or even more.
>>
>> Steve 
>
>

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