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Thread: Water Toleration

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    Formerly known as Pineapple Nepenthesis's Avatar
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    Water Toleration

    How much water can neps tolerate? How long can the medium be at it's water retention capacity without root rot? I've read that after fertilizing, you must flush the pot with water until it generously flows out the bottom. Will that be too much water and/or cause root rot? How dry is too dry?

    I'm new to neps and just received my first two a little over a week ago. One in a Pasion Highlands Truncata (3") and the other is a ventricosa x talangensis (12"). Regarding the ventricosa x talangensis, there is sphagnum around the roots and a bark mix around the rest of the pot. The other is planted in bark, but it's only 3" across. Not sure if that's because it's small or because of the species it is, or if it's just lack of experience of the vendor.

    I know watering is usually in relative terms, such as "moist," "soak," "drench," etc. and it's very difficult to know exactly how much water is too much.

    The questions I have asked are assuming that the medium is LFS, which is very retentive of water.

    Thanks in advance!!

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    villosaholic Heli's Avatar
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    They like it damp but not sopping wet. When I flush my plants I put them in my sink to let the extra water drain out.

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    Class 5 Nepenthes hoarder lance's Avatar
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    I just fill my nep trays up with water and then let their roots air out for a few days after the water is gone...never had a problem once.

    I fertilize my neps by spraying their leaves so I never end up having to rinse them...only when I clean out the greenhouse every now and then


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    Formerly known as Pineapple Nepenthesis's Avatar
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    Quote Originally Posted by Heli View Post
    They like it damp but not sopping wet. When I flush my plants I put them in my sink to let the extra water drain out.
    Thanks for the fast reply! I guess why I'm confused about watering is because it's full of relative terms. By flush it with water, should a lot drain out the bottom even if it's sphagnum? When I just mist a few times, it leaves the sphagnum soaking wet, but nothing ever drains from the pot their in.

    I guess a question that would help me the most is how long can they stay wet (not moist, but wet) without root rot? Then I can figure out the max I can water given my evaporation/drying rate.

    ---------- Post added at 06:43 PM ---------- Previous post was at 06:41 PM ----------

    Quote Originally Posted by lance View Post
    I just fill my nep trays up with water and then let their roots air out for a few days after the water is gone...never had a problem once.
    That sound easy enough, but my neps are going to be in hanging baskets when repotted, so they won't have trays that I can do that method with.

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    Class 5 Nepenthes hoarder lance's Avatar
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    Quote Originally Posted by Pineapple View Post


    That sound easy enough, but my neps are going to be in hanging baskets when repotted, so they won't have trays that I can do that method with.
    For hanging baskets you water frequently and make sure the spagnum is somewhat moist when drying out (dont want the roots to dry). I would water them every day. Are you gonna use hanging pots? Vacation time could pose a problem if they are in mesh wrap hanging baskets.


    In addition to growing plants, I design and build RC planes powered by Tesla batteries. Check out my progress at www.chargedplanes.com

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    Formerly known as Pineapple Nepenthesis's Avatar
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    Quote Originally Posted by lance View Post
    For hanging baskets you water frequently and make sure the spagnum is somewhat moist when drying out (dont want the roots to dry). I would water them every day. Are you gonna use hanging pots? Vacation time could pose a problem if they are in mesh wrap hanging baskets.
    They'll be in a greenhouse, so the humidity and temperature will be higher, and they won't be exposed to wind. When I go on vacation, I will get a neighbor to take care of them. There are three people within walking distance that range from leisure growers to extreme hobbyists, so the plants will be well taken care of.

    The baskets will be 12" metal baskets with coconut-husk-like lining. This is the specific one...



    They'll be planted in 50/50 sphagnum/perlite. But the key thing to watering I guess would be to know how much is too much, so how many days could they survive completely soaked without root rot? They more than likely won't be soaked ever, but I'm curious how much water would be too much for flushing them after fertilizing.

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    Class 5 Nepenthes hoarder lance's Avatar
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    Flushing them with water after fertilizing would probably start to effect them after the water was running for a week...so I wouldnt worry


    In addition to growing plants, I design and build RC planes powered by Tesla batteries. Check out my progress at www.chargedplanes.com

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    Tastes like chicken! Exo's Avatar
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    I use those pots for some of my neps, so I'm familiar with how different mixes work with them....and my guess is that if ya use the mix that you mentioned, you shouldn't have too many issues with root rot. Those baskets are very porus, and excess water drains/evaporates rather fast. In your case, it would be a matter of how often to water. There is no way to predict how long a nep will tolerate that mix if it were watered say....every day, because it depends on the size of the plant...species, temprature, humidity, sunlight, root ball size, age of the media, PPM of the water, and a ton of other factors.
    Some days it just isn't worth chewing thru the restraints.

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