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Thread: Heat tolerance of D. filiformis ssp. filiformis?

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    Williamg's Avatar
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    Heat tolerance of D. filiformis ssp. filiformis?

    How heat tolerant is D. filiformis ssp. filiformis? I aquired one last fall, and it survived through the winter, bloomed and produced many leaves in the spring, but now appears to be doing poorly. I live in the DC area, and we have been having some very hot weeks with temps up into the 80s and 90s. I have it in an undrained window box in a mix of peat moss and sand. There is also a D. dichotoma living in the same pot too. Since D. filiformis ssp. filiformis is a northern plant, could the heat be the problem? I do have photos, but I will have to post them up tommorrow.
    Williamg
    Last edited by Williamg; 07-05-2010 at 06:32 PM.
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    mine tolerate 90 degrees and those are the tips of the l;eaves that grow into the lights on my rack. they hold dew for a week then crincle after a few more days. but the plant sends then up even taller evrytime. so dew may be dangered yet i cannot say the same for the plant intself.

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    I grow mine in Indiana and it has experienced high nineties during summer and probably a 100+ day or two. What I do during hot days is make sure they get plenty of water. I will water them in the morning and check again when I get home from work to make sure the soil isn't too dry. I have had mine for 3 years and it is doing good.

    I grow mine in a window box planter that has a small reservoir and I use a 1:1 peat perlite mix which is my standard temperate mix.


    They originate from the NJ area I think which is Zone 5, the same as Indiana. But then Zones are only meant to categorize winter temps and not summer heat.

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    Today was our first day in the 90's so far this summer..
    (only had one 90+ day last summer)

    we are going to have a string of 4 days in a row at about 92-94 degrees..
    my D. filiformis is right out in the blazing sun all day..
    I will report back in a few days how she is handling the heat..
    I dont expect any problems..

    Scot

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    scottychaos's Avatar
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    Update on my filliformis..
    its perfectly fine!

    It had about 5 days in a row of mid-90's..and weeks of mid to high 80's..
    plus being right on the hot deck, its local "micro climate" is probably even hotter..

    no problems at all..

    Scot

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    Low 100s here the past few days and no problems at all with my filiformis! Just keep them wet and don't let it dry out and your fine.
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    Mine is doing great in 95F+ heat.
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    After they flower they don't look so great. They have fewer leaves and smaller leaves. I think this is what you're describing. Don't worry, probably just normal at this time of year.

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