Brown leaf tips on phrag

Discussion in 'Problems, Pests, & Diseases' started by richard.feldman48, May 21, 2020.

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  1. May 21, 2020 #1

    richard.feldman48

    richard.feldman48

    richard.feldman48

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    Hi all,

    I've got a phrag longifolium x dalessandroi with brown leaf tips. I cut off the tips a couple of weeks ago, but it continues to spread. It's growing under lights in the basement, about 45% humidity. I fertilize lightly every couple of weeks. I use tap water, which is not too bad here. I can't figure out whether this is a disease or a consequence of its growing conditions. Advice appreciated. Thanks.

    Rich


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  2. May 21, 2020 #2

    Linus_Cello

    Linus_Cello

    Linus_Cello

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    How do the roots look? When was this last reported?
     
  3. May 21, 2020 #3

    richard.feldman48

    richard.feldman48

    richard.feldman48

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    It was repotted this past September. The roots are not good. There are some dead ones (soon to be removed) and a few that look pretty new and healthy. I think that I may not have been watering it sufficiently until recently when I learned more about appropriate care.
     
  4. May 22, 2020 #4

    abax

    abax

    abax

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    YES! Under watering is perhaps the answer. My greenhouse is very
    humid and I thought I was watering enough. I've been tweaking
    my culture with more frequent watering and new growth is without
    browning. I also fertilize with every watering...say every three days
    or so.
     

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