Highland Nepenthese


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i think that prolonged exposure to such temps would be fatal

 

  why are you wanting to keep neps at that heat??

if its in a cold greenhouse tou could heat a small terrarium with just a gro lite, turned on a t night ??

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I have kept diatas at similar temperatures, but too much water is fatal. Diatas, singalana, lamii, maybe a few others would be ok. They would need to be kept on the dry side or the roots will very quickly rot. A lot depends on how long you intend to keep them at those temperatures and whether thats a minimum or a constant 5C. If daytime temperatures where significantly higher, say 15C, you could keep a wider variety.

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I'll borrow this thread after I saw Tony linked to the altitudinal distribution chart. Some weeks ago I had a conversation about that distribution chart with a well-known grower in the US on another forum and he was very clear that some of the neps classified as ultra highland didn't need the extreme temperatures as i.e. N. Villosa. Is it something any of you guys have experienced? 

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Apparently edwardsiana is quite tolerant temp wise. Although it does indeed extend into the Ultra highland group it also exists as a highland plant in its range. After reading of others growing it in intermediate temps with better success than highland conditions, I've decided to do the same. I've had it about six weeks or so and its produced a new leaf in this time which I'm very happy with given its very slow reputation. Wether this temp regimen will work long time is anyone's guess, Anyhu my temps are only 'intermediate' during the winter so hopefully will be ok. I'll keep you posted!

Edited by Antony
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I'll borrow this thread after I saw Tony linked to the altitudinal distribution chart. Some weeks ago I had a conversation about that distribution chart with a well-known grower in the US on another forum and he was very clear that some of the neps classified as ultra highland didn't need the extreme temperatures as i.e. N. Villosa. Is it something any of you guys have experienced? 

 

Yes, singalana will grow perfectly happily in a windowsill, even though its one of those with the highest altitudes.  There may well be something going on other than temperature with some of these although i have not much idea what that would be.  Something unique about the habitat maybe or abundance of prey items.  Diatas was quite tolerant as well.  They did seem to enjoy a lot of sun, maybe thats easier to get exposed at the top of a some mountains.  Fun to speculate.

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Very interesting indeed! I really want to know what happens with your Eddy Antony, I got mine during EEE and I'm giving it the same temps as Villosa, Macro, Lowii, Rajah and Aristo, so I wanna know how it fares with intermediate temps.

 

 

It is indeed a fun sport to speculate Mark! but my guess is that neps are not that rigid in their conditions after all, it remains to be seen if experimenting with temps can cause undesirable effects in the long term.

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My conditions are similar to elvis'. My edwardsiana (hardly a difficult species to grow) experiences daily highs into 28C maximum to nighttime lows of 15C (I prefer slightly cooler but it's been so mild this December) - it's one of my best growers.

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