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Amorphophallus no show (Yet?)?

10 years ago

At the end of the season last year I bought an A. konjac 'Shattered Glass' from ebay. The foliage was already cut off, died down at the time. Of course I can't wait to see it and see if it really is what I purchased. In any case the tuber overwintered fine.....and still looks fine.....plump and with a growing point.....but it has not initiated growth again. I put it and two regular konjac tubers outside (NJ) this spring. I plated the tubers but kept the pots dry until they started growing, which the two others already did at different times. Still nothing on this. The tuber is fine......just be patient(?). Any other tricks to get it to grow?

Comments (34)

  • 10 years ago

    Mine is late as well. It's up about 4 inches now.

  • 10 years ago

    I wait until the leaf stalk flops over then cut, dig it up, dry it/clean it off and store.

  • 10 years ago

    I have 3 konjaks in Atlanta, zone 8a and 2 came up around the 2 week of June and the other around the end of June do you probably shouldn't panic yet.

  • 10 years ago

    I am keeping fingers crossed. I wonder what triggers growth in these guys!

  • 10 years ago

    I don't know- yet. I've had mine 2-3 years and I've started taking notes to try and figure it out. It could be something as simple as a heavy rain over a couple of days...or enough rain to soak down to the tubers. I have rain lilies that only bloom after a heavy enough rain so it could be that. In my area we always have a dry spell in May and June and mine did pop up after 2 consecutive days of rain around the second week of June.

  • 10 years ago

    Try adding more drainage next year. I use a lot of perlite.

  • 10 years ago

    It's a week since your last post Woodnative... any growth yet? I had 2 small amorph tubers that had been dormant since last year, one broke and produced a plant a couple of weeks ago. The other is still sitting there in the same pot. Don't know what triggered one and not the other.

    Russ

  • 10 years ago

    Russ missed your post above! Well I just came back, now August 5th.............to report................the beginning of growth................above the soil line..........so.........s..l..o..w..!!!!

  • 10 years ago

    Thanks Chris! The amorph that finally grew has rotted away taking the tuber with it, but I still have the other one that's still just sitting there dormant. I don't know much about amorphs, they've been all the rage among IAS growers for years but I prefer other aroids, especially philos and ags.

    Good to talk to you again,

    Russ

  • 10 years ago

    A lot of Amorphs will die quicker from too much water than too little. I have an Amorphophallus albispathus which is growing and still looking perfect while we're going into late winter. It's near a number of Amorph species that all went dormant as normal and I withheld water so they wouldn't rot. The albispathus' soil was completely dry for a couple of months at which point I thought it better get something. I only give it a bit of water every couple of weeks and it still looks quite 'happy'. Apart from my gigas and titanum, I find it better to under water rather than to over water them.

  • 10 years ago

    My rotted one probably did get too much water, tropicbreeze. It was too close to the side of the shadehouse where it could get rain, and I got a spell of daily showers. The dormant one didn't rot though so I don't get that. I'll move the pot and keep it more dry.

    I guess your Aug is my Feb. I always like to see Feb coming since I know spring is just around the corner. Even my winters here in central Fla are too cold for me, my dream is endless summer.

    Russ

  • 10 years ago

    Russ, if you're like me you'll complain wherever you end up, LOL. Years back I left a zone of something like 10 because it was just too cold. Now I complain when we get cold weather here. In June this year (our start of winter) average minimum was 21.0C and average maximum was 34.5C. And I was saying that was a reasonable winter. But then July the minimum dropped to 16.4C and I've been complaining endlessly. I guess next move will have to be to Singapore, LOL.

  • 10 years ago
    last modified: 10 years ago

    You're probably right! It's the work that winter causes and the months of down-time of plant activities I dislike, I hate to put plants away and just sit out the winter. No propagating, no potting. I get 4 to 6 degrees below freezing every darned winter, somewhere that lows are only 50s or 40s would be great. If I didn't have plants winter wouldn't be a big deal.

    I think the Lower Keys and Key West is zone 10, the latter has never been below mid-40s but I hear it's a wild place these days. Maybe one of the Keys slightly north, Big Pine Key.

    Wow, think of that.... living in Singapore!

    Russ

  • 10 years ago

    Mid august and it is finally deciding to grow lol! Better late then never!

  • 10 years ago


    Good to see it's growing Chris, I hope you get a big plant out of it soon. What have you got, maybe 2 months of reasonable temps left? Maybe it won't notice early winter and it'll keep growing.

    Russ


  • 10 years ago

    I hope so Russ. This is supposed to be 'Shattered Glass'......I think I see some variegation (keeping fingers crossed). It is a small tuber and pot so if need be I will bring it in the end of September to let it finish getting enough energy to store and grow. However, I hope it resets its internal clock next year and starts out earlier!!

  • 10 years ago

    I've heard Shattered Glass is a nice one Chris, I'll have to Google it to see what it looks like. My second tuber (the other one rotted) is still just sitting there, maybe it'll wait til next spring.

    P. oligospermum is looking good, I have many backup propagations so I'm not concerned about going into this winter and losing it. It's a little late in the year but I've put two against a 4x4 in the shadehouse, I want to see if it'll change in size or leaf shape in climbing mode.

    Russ

  • 9 years ago

    It is growing and great variegation.

  • 9 years ago

    That's beautiful Chris! First Shattered Glass I've seen, what species is it?

    Russ

  • 9 years ago

    A variegated form of konjac Russ. I am excited to have this variegate. I have had regular konjac a couple of years now. Although still not blooming size it grew a lot and the species is easy to overwinter even in cold nj.

  • 9 years ago

    So my green A. konjacs are back to sleep.......but this mixed up plant is still growing. This original leaf has some damage, probably due to cool nights, but it recently sent up a second (and whiter) shoot!! We are having frost on occasion now, at least some nights, and I have been bringing it in (in not the most ideal spot) and occasionally putting it back out during stretches of better weather which will soon become much less frequent. I hope to get this guy on a normal schedule at some point.....beautiful cultivar.

  • 9 years ago

    Obviously Chris, the Shattered Glass is not only different in looks but also grows on it's very own schedule. I hope you can keep it warm enough, but of course light will be an issue as winter deepens. Any chance you have a light setup you could put it under?

    Russ

  • 9 years ago
    I may end up taking it to my office and putting it under lights. I was hoping a little bit of non babying would put it to bed sooner than later.
  • 9 years ago

    I sure hope you can manage it thru the winter Chris. Thanks for the pic, that thing looks like a green and white snowflake, what a beauty!

    Russ

  • 9 years ago

    Just an update. This guy came up a little later than my green ones again this year but much earlier, and at a more normal time, than last year. Hope if multiplies soon!

  • 9 years ago

    Could you post a picture? I would love to see it.

  • 9 years ago
    Photo this evening
  • 9 years ago

    Very nice variegation Chris! Were the green ones that came up also from a Shattered Glass? Just wondering if these will produce both variegated and all-green tubers.

    Russ

  • 8 years ago

    Yeah my big ones are up this year (konjacs) but my small bulbifer is not up yet. I checked and it's put out healthy roots just no growth tip yet. The bulbifer flower was small but cool though.



    Z

  • 8 years ago

    Bulbifer have become a real nuisance for me. One part of the garden has hundreds of them, they multiply like crazy with those bulbils on the leaf. After a few years of ignoring them the smell of about dozen of them flowering at the same time became a bit much. And as some flowers die off there's more new ones opening. I've taken to pulling them out and burning them to make sure they don't come up elsewhere. other species aren't so bad.

  • 8 years ago

    Really, I've never heard of someone having a problem with invasive amorphophallus! It sounds cool actually LOL.

  • 8 years ago

    Once the flowering is over it's okay. But for a while there I was trying to find the broken sewer pipe.

  • 8 years ago

    wow. you must be in a temperate area.

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