Re: Hardy Aroids

From: Tom Croat <croat at mobot.org> on 1997.10.27 at 20:17:36(1514) Steve: We have Orontium in cultivation in our temperate house. I tried bringing some of it back from Massachusetts once and put it in a small pond we have behing the Climatron but it did not survive despite having had a nice big peice of it. Tom +More > > On Thu, 23 Oct 1997, James W. Waddick wrote: > > > This string has turned from Dracunculus to Hardy aroids and I am > > surprised that no one has mentioned Calla palustris. This gets to > > considerable size, has impressive flowers and fruits and should be hardy > > fairly far north - Zone 4, 3?. > > Jim, I've tried to get Calla palustris several times unsuccessfully - > seeds from an exchange never germinated for me, and plant sources haven't > worked out. Is anyone growing this? > > > Then there's Orontium, Peltandra, and Typhonium, > > Zantedeschia..although the latter two may only have 1 or two species hardy > > through Zone 6. I'll bet theres other beside the ones we've already talked > > about Dracunculus, Arum (various species - I have italicum,maculatum, > > orientale and nigrum in Zone 5/6 - others ? I lost dioscorides ) > > Symplocarpus, Lysichiton, Arisarum etc. (not to mention Arisaema - that's > > another robin) > > How far north does anyone grow Helicodiceros ? > > > > These are just a start, let's get complete here: > > I have several clones of Peltandra establishing, limited data so far but > it seems quite hardy and I've been told it will do well in zone 4. All of > my Zantedeschias except the recently-acquired "Hercules" are outdoors and > all but one of those (Z. pentlandii) have been for several years. > > Re Typhonium, there was a deafening silence a few weeks ago when I asked > some questions so I will risk repeating them here: > > >While on hardy Typhoniums - Deni Bown, in the 3 paragraphs devoted to > >Typhonium in "Aroids", mentions 2 other species as "hardy": T. > >diversifolium and T. alpinum. "It (T. diversifolium) is found in the > >Himalayas between 2500 m and 4300 m and so, like Arisaema flavum, is a > >near-alpine. The ability to grow at high altitudes is also seen in T. > >alpinum which is recorded as reaching 4000 m in China." > > >Can anyone comment on how hardy these species truly are? 4000+ meters is > >high enough that (anywhere much short of the equator) it implies some > >good frosts. > > Orontium should be hardy, but I don't have it and don't recall anyone else > talking about it. Why is it so unpopular? > > Steve > > -- Steve Marak > -- samarak@arachne.uark.edu > > -- Thomas B. Croat, Ph.D. P.A. Schulz Curator of Botany Missouri Botanical Garden P.O. Box 299 St. Louis, MO 63166-0299 phone: 314-577-5163; fax 314-577-9596; email croat@mobot.org

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