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Discuss water requirements, "soil" (growing media) and suitable planting containers

Moderator: Matt

By Adrien
Posts:  226
Joined:  Mon Oct 10, 2016 11:13 pm
#353475
Hello! I wanted to know, can I reuse sphagnum? I feel like it’s such a HUGE waste throwing away pounds upon pounds of sphagnum every year, can I like boil it and rinse it thoroughly with distilled water and use it again?? Thanks.
By crazy_carnivores
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Posts:  187
Joined:  Wed Apr 22, 2020 8:05 pm
#353492
on average, plants should be repotted every three years, or when the soil rots. if it has not been 2-3 years and the soil still looks good, I would not repot it.
Boiling it is very interesting, I might do some experiments with that :lol:
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By Matt
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Posts:  21388
Joined:  Mon Apr 21, 2008 11:28 pm
#353494
Yes, absolutely! We reuse our sphagnum multiple times.

No need to boil and rinse. Just use it in the bottom of the pots and use fresh stuff on top.
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By Adrien
Posts:  226
Joined:  Mon Oct 10, 2016 11:13 pm
#353495
crazy_carnivores wrote: Wed May 06, 2020 11:43 pm on average, plants should be repotted every three years, or when the soil rots. if it has not been 2-3 years and the soil still looks good, I would not repot it.
Boiling it is very interesting, I might do some experiments with that :lol:
FTS recommends changing the media every 6-12 months.
By Adrien
Posts:  226
Joined:  Mon Oct 10, 2016 11:13 pm
#353499
Matt wrote: Wed May 06, 2020 11:52 pm Yes, absolutely! We reuse our sphagnum multiple times.

No need to boil and rinse. Just use it in the bottom of the pots and use fresh stuff on top.
What about mineral build up?
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By Matt
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Posts:  21388
Joined:  Mon Apr 21, 2008 11:28 pm
#353506
Adrien wrote:What about mineral build up?
For us, that's never been an issue when using pure New Zealand LFS. We repot our flytraps every 10-14 months and use the old LFS in the bottom of the new pot, wrapping the rhizome in the new, clean NZLFS. Works great without any problems at all over the last 6-8 years or so.
By Adrien
Posts:  226
Joined:  Mon Oct 10, 2016 11:13 pm
#353507
Matt wrote: Thu May 07, 2020 12:06 am
Adrien wrote:What about mineral build up?
For us, that's never been an issue when using pure New Zealand LFS. We repot our flytraps every 10-14 months and use the old LFS in the bottom of the new pot, wrapping the rhizome in the new, clean NZLFS. Works great without any problems at all over the last 6-8 years or so.
That’s great!! Thank you :)
By Adrien
Posts:  226
Joined:  Mon Oct 10, 2016 11:13 pm
#365297
I was talking to some people about repotting and reusing sphagnum and they brought up a good point. Why do they need to be repotted every year if it’s the same sphagnum being used? And not repot when the plant out grows it’s pot? I personally like one single large plant per pot cause it looks nice and neat but could you answer those questions?
By twitcher
Posts:  607
Joined:  Sat Aug 25, 2018 5:56 am
#365320
Do I boil and rinse? Absolutely!. Like others have mentioned its better in the bottom of the pot with fresh on top. I also boil and rinse mineral media for pings.
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By P A U L
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Posts:  165
Joined:  Mon Jan 29, 2018 5:04 am
#365324
I haven't changed my substrate in 2 years. I'm not sure if that qualifies as re-using it :D
By omnipercp15
Posts:  347
Joined:  Sun Apr 19, 2015 11:58 am
#365738
I initially did repot every year but as the plants became more established and I got more plants as well, I could not keep up with the amount of materials I needed. So I moved to every 2 years or so, and the plants are continuing to grow fine.

I grow other types of plants as well, so when I take out the old spaghnum moss, I would either use it as something for the other plants (mix in with their soil) or I might toss small parts over to the compost pile.

I also recently read about using old moss at the bottom of the pot, which new one being added in to the upper layers of the pot. glad to see that Matt also did that, which lends credibility to what I read that it is a reasonable practice to do.
By Apollyon
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Posts:  524
Joined:  Tue May 05, 2020 2:49 am
#365741
The cost and the amount of plants I have that require it have me growing the stuff now lol. So far it has been going pretty well but it'll be a little while before it's something I can rely on. For a while I'll need to supplement with some besgrow or something.

I've also been recycling moss by putting it in the bottom of pots, plugging holes etc. I agree, it's too expensive and it can still serve an absorbing function while having new moss to wrap around the root system.
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By Matt
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Posts:  21388
Joined:  Mon Apr 21, 2008 11:28 pm
#365760
Adrien wrote:Why do they need to be repotted every year if it’s the same sphagnum being used?
I typically don't reuse the old sphagnum around the rhizome, but rather in the bottom of the pot. I use fresh moss around the rhizome and it provides many benefits including antibacterial properties and better soil aeration. But even if you reuse the same moss over and over, the problem is that the moss becomes compacted over time, so a repot allows the same moss to regain some of its "airiness" so that it provides more suitable growing conditions for the flytraps.

Adrien wrote:And not repot when the plant out grows it’s pot?
Typically flytraps won't outgrow their pots. They tend to divide so much that they get too crowded to grow optimally. That's another reason that repotting annually is a good idea.
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