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Tue, Nov 6, 12 at 12:47
| i've had my 2 zz's for about 4 years and they've grown very well and are happy. but i noticed this very strange bulbous growth on both of them. is this a cane of some sort, because they need a larger pot? or is this a flower bud growth? |
Follow-Up Postings:
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- Posted by grabmebymyhandle 6 Kentucky (My Page) on Tue, Nov 6, 12 at 21:47
| if you mean the the knobby brown thing in the pot on the left, im goin with a new tuber,if they r really cramped, and theres no room for fresh tubers they do that |
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| the one on the right is similar to the one on the left, with bumps(root nodes?), but not as thick and it has a stem growing. the one on the left is really round. they are both quite above the other, smooth tubers. they are too high up to cover them up with soil. so what should i do? cut them off and then replant into a sep pot, slightly above ground? i couldn't find any similar images anywhere or info to confirm. suppose i can leave them be until spring? |
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- Posted by grabmebymyhandle 6 Kentucky (My Page) on Thu, Nov 8, 12 at 0:13
| I dont think you have to do anything, I really like it! You could pop them off and and im sure they would grow, 99% sure. To be honest I havent seen any that look exactly like that, but I cant imagine it being anything else. If you do remove it spring would be better. A bigger pot would likely fix it too, but i wouldnt, you said they are happy, from that small pic they look it, I would just keep doin what you are doing for now, once they get that established, and you repot them, they can really go crazy, and get big if you want bigger then bump them up a pot size, but no more, they dont like lots of room. You will eventually have to repot at some point tho. |
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| i tried to get a better pic for the one on the right - there are 5 stems (2 just giant) growing out of this thick nubby 'stem'. i think it's pretty established. so when i want to pop it out, i'll cut off a piece of tuber that this stalk is attached too. but since the stems are so big i am afraid even with tuber but without more roots it'll suffer. i could wrap some deer lichen (sold as moss) - very spongy thing - and mist it slightly and see if roots start developing and THEN cut it off? i rooted xmas cactus in deer lichen very well without any rot and very quickly too. |
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| here's a pic of it against 2 doors for scale: the largest frond is 42", the other 38" and it's basically 3 feet wide . i removed a tie for the pic, but normally there a tie to support the stems since the 2 large ones are very heavy. and all in 7" by 6"H pot :). if i remember it sends out shoots in spring, so i'll wait for the buds to form to start working on it? |
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| so there's news :one of the thick nubbly things produced a shoot. i also found an old post with a link very informative about zz's from exoticrainforest . but i don't see any recent posts from him/her. according to that link 'the nubby part' is the real stem. and is usually underground or on the surface. i guess in my case there's no room, so it's going vertical. but it seems that zz's are not propagated by tubers (he calles them rhizomes, he says they're not tubers) or tuber divisions. only by leaflets and seeds. so now i am confused: should i just cut off the nubbly stem right at the 'tuber' or should i cut a piece of tuber with it? or may be see, if i can separate whatever 'stems' are attached to one tuber and pop them off together? i don't want to do it now, when it's leafing out: it got like 4 strong shoots going. i want to wait until they fully grow. here's the old post:see last one for a link. am not sure how to post the link to old thread. http://forums.gardenweb.com/forums/load/aroid/msg050006561235.html |
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| A rhizome is basically an underground stem of a plant. Once there's some growth on it you can probably cut it off and plant it on it's own and given proper growing conditions, it should be fine. Steve Lucas, who wrote the exoticrainforest.com website, passed away about two years ago. That's why there has been no updates to the site or posts here by him. |
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| i am sorry to hear that - loved reading his posts, very informative. so it's not necessary to divide so that a tuber (those round potatoye things in the soil) is attached to the cut rhizome with growing leaves? obviously since my growing rhizome is above the soil level, it won't have any roots. will that be a problem? sorry for repeating - just can't find similar case discussed anywhere else. |
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| If it was mine I would pack damp sphagnum moss around it and wait until it grew roots of it's own. When it does you can cut it off and plant it. You could just chop it off but they can be very slow growing at times, it may work out better if it still has a nutrient supply coming from the rest of the plant. |
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| that's a great idea! i'll do that and maybe wrap a little plastic around loosely -sort of like for air-layering. and watch for roots. i moved both plants closer to the window while they are leafing out - hoping for denser leaves too. they'll be warmer now too in the western window with diffused light. |
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| so about a month ago I repotted my 2 zz's. washed the tubers and roots: and separated into 4 pots. the roots were like orchid roots very healthy, but I cut off bottom half since they weren't fitting in the pots. used new jungle mix soil recommended by exotic rainforest, free draining, mostly orchid bark, perlite and a little AV mix. I just moistened the perlite before mixing , so it was barely damp. and I did not water for 2 weeks, but the yellowing started and won't stop. after 3 weeks I pulled out the stalks to see that most roots have rotted and some tubers rotted too. I trimmed tubers and most roots and put them in fresh orchid bark mix with about 40% perlite added. with may be a few tb of water with perlite. will wait 2 weeks to even dribble any water. i am misting the leaves daily. after 1 week checked around tubers: pulled a few small rotting ones again, retrimmed, potted back. it's been a total disaster - I have never seen such a collapse before. and I am pretty good with repotting and plants. it's a mystery. could it be I should not have bare rooted? no washing off of tubers? will the clusters with 2-3 stalks survive without tubers and 2-3 inches of roots? i dusted everything with cinnamon heavily prior to potting. I noticed some new root growth here n there, may 1/2". they were such care free and healthy plants, i just can't believe what happened. any ideas to help them survive? they are near the western window with 2-3 hours of sunlight thru the sheers: which is where they've been growing like crazy with 4-6 new stalks before the repot. |
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