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Thread: Begonia bogneri: terrarium plant, miniature, epiphyte, grows in sphagnum

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    Begonia bogneri: terrarium plant, miniature, epiphyte, grows in sphagnum

    Begonia bogneri is a very odd Begonia, as its leaves are grasslike, and it's a miniature. It's a plant from a warm, wet part of Madagascar. It's tuberous, although it does not have an obligate dormancy, grown indoors. For whatever reason, it's gotten a reputation as a difficult plant, tends to be hard to find, and it often sells for surprising amounts. However, I've found it easy to propagate, and so far, easy to grow. I understand one of the secrets is to propagate it regularly. The plant provides no shortage of material for propagation, as it it is easy to start from leaf cuttings (1 cm or larger, in moist fibrous sphagnum).

    Begonia bogneri can be grown in pure sphagnum, or in a conventional light soil mix (such as perlite + peat + ?). I would imagine if one has a mesh pot full of sphagnum (which I imagine a few people do), one could simply insert one of these little guys to grow on the outside of the pot, in addition to the main plant. It could be fun. It can also be grown mounted, and grown epiphytically, although I have not yet tried that.

    I only got my first plants last spring, as tiny plants that quickly grew and flowered a few months later. Here are some of the first blooms on one of them:

    All plants shown are in 3 inch pots.


    (the flower on the left is a female flower)

    Another one, blooming today:



    Back in September, I removed a bunch of leaves from one plant, and started some more plants:



    I cut those leaves up into 100 pieces, and got at least 50 plants out of it. I actually thought the propagation was a partial failure, because I had gotten closer to 100% in smaller scale attempts.

    https://www.facebook.com/groups/plan...ion%20tuberous

    I have a few extras. I'll offer #2 and #3 for postage, #1 I'm looking for a trade, Nepenthes seeds/seedlings/cuttings/plants, with a preference towards cooler growers (highland) species or hybrids. The difference between #1 and the other two is probably about a month at this point. They do grow fast.


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    Plant Addict!! tje25's Avatar
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    Thats a pretty cool little plant, I like it!

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    CephFan's Avatar
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    That's a little weird and I can't decided if I like it on not!

    It does sound like a really good terrarium companion plant and it flowers so I guess I would give it a thumbs up. Certainly interesting to see.
    Cheers
    Steve
    Proud holder of every species in the family Cephalotaceae in my collection.

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    Thanks tje25 and CephFan. I should add that all of the plants pictured have been growing with inverted clear plastic cups over the top of the pot. So the leaves are more curled around than they normally would be.

    Here's a great article about the plant, from the guy who first described it:

    http://www.begonias.org/Articles/Vol...ia_bogneri.htm

    And a nice blog entry from the guy who gave me the plant (actually 10+ small ones):

    http://geraniosgarden.blogspot.com/2...g-begonia.html

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    swords's Avatar
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    Looks great man, I finally got one after years of hunting and luckily I made cuttings cos I lost the main plant. I now have a propagation that's on it's way to looking like your pot #2 up there but it's still struggling and slow to develop.

    I'm not sure what I am doing wrong, it's with my Lowland Nepenthes cuttings so has high humidity and nice warm temps but not too hot, plenty of moisture. It's under 2x 55 watt T5 High Output tubes so like 10,000 lumens.

    Do you fertilize yours at all?
    Last edited by swords; 02-11-2015 at 07:18 PM.

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    I'll try to retake a picture of either #2 or #3. I still have one of those around still, soon to be sent out. I think the growth over 1 month is likely to be significant (I'm not at home to look at it). What I find is that they seem to grow a little slowly to the stage of #2 or #3 , although really not incredibly slow, as it only takes a few months from a leaf cutting. Then they "seem" to start growing more quickly.

    I don't really fertilize these, so far, but I use a mix of peat:perlite:"potting soil", where the potting soil I believe comes with a little fertilizer. As far as light, I've been sticking these wherever I can find spots--I have quite a few--and so these are growing in varied light levels. They all seem to do fine. I don't give any really high light, though.

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    swords's Avatar
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    I'm hopefull I'll someday be able to put it in a bowl of LFS and have all kinds of leaves and blooms which is how I first saw the plant in that "Begonias" book released by Timber Press. I've wanted it ever since seeing it there.

    Seems like it should be easy I have mine growing in pure LFS (just as the original plant came to me) but it just seems very slow to advance past a started cutting compared to other Begonias I've grown.

    Growth speed for me is hardly noticeable. This started cutting is six months old and the leaves are only 1/2" long or so. They aren't growing long and getting strappy like the parent plant.
    Last edited by swords; 02-11-2015 at 08:27 PM.

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    Aristoloingulamata Dexenthes's Avatar
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    Thanks again for the two plants Randy -

    I have been finding these plants to be rather slow growing. I have, however, noticed that the plant that is in my sealed germination chamber seems to be growing a little faster and is making more elongated leaves this would make sense because it gets less light as well. The plant that I have in a lower humidity/higher light environment is taking it's time, but is just starting to put out some noticeable growth.
    LOOKING FOR: N. (argentii x bicalcarata) x {[(lingulata x edwardsiana) x (naga x hamata)] x [(klossii x undulatifolia) x (aristolochioides x rajah)]} Growlist: http://www.terraforums.com/forums/sh...d.php?t=124586

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