VFT Abnormal Growth (pics)

dufrene(San Francisco)June 2, 2006

I have a terrarium of VFTs growing in 50/50 peat/perlite. This is my third season with them, and I haven't had issues int he past, but some of the plants haven't seemed to kick in yet after dormancy. The terrarium sits in a bright window and gets 4-5 hours of direct sunlight. The top is not completely covered so heat can escape. I've cut off the flower stalks, but still some plants don't look completely healthy. Thoughts?

Picture 1: Weird growth at the center of the rossette of one plant. A few weeks ago, this plant grew perfect 1" traps (they're still live on the plant).

Picture 2: Why do some traps not fully form the full semicircle that becomes a trap? This one started to turn black, too, but notice the funny shape.

Picture 3: Look how these new sprouts are "hunched over" and what will be the trap bends back behind the leaf. Something wrong here.

Note: many of the plants in the same terrarium look very healthy.

Thanks in advance for any advice you can offer.

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VFT's really do best as an outdoor plant. They really need the direct sunshine, as well as American pitcher plants, more so than many other CP's. Like American Pitcher plants, they require a dormancy period in order to be at their best the following year, including propogation. Often times a VFT that hasn't has adequate light AND winter rest, will die, in the process of flowering. The energy to produce flowers and keep going is great and it is like "the last straw that broke the camel's back".

In their natural habitat, they are obviously outside, but they also expereince a dormancy period. If I had to draw a pie chart / percentages as to the variable that go into dormancy and their importance, I would say that reduced photoperiod would be ~70%, followed by near freezing temps at ~20%, and then less food and water comprising the rest.

A VFT dying after flowering, from lack of light and winter rest is one deleterious effect and another is the general decline in health. I think it is that decline in health is what you are experiencing.

    Bookmark   June 2, 2006 at 10:05PM
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