The bog is located in the sunniest spot I have in the yard. It gets at least 8-9 hours a day. The interior of my VFTs traps all turn red. I may test this theroy though by getting some red sarrs and seeing how well they keep their color.
Hmmm. 8-9 hours of full sun, no shade, should be enough to turn a northern purple pitcher plant pretty purple unless it is a heterophylla form. If that's the case you could have an antho free jonesii and hetrophylla purpurea and just an issue with the Red Dragon. I guess that's possible.
Perhaps a pic would help?
I'm also not surprised at the anto free jonesii, I know they exist. In fact meadowview has some for sale right now.
I just need to add some color, other than green
So it seems your bog consists of...
S. purpurea purpurea f. heterophylla
S. rubra ssp jonesii antho free
DM. Red Dragon
It sounds like you have a knack for picking finicky plants. LOL
Have you considered that there may be a pest involved that's causing the problems with the red VFTs? I've noticed that spider mites seem to be more drawn to red VFTs. Do you use any insecticides or miticides?
Initially my red VFTs grew a bit slower and seemed to struggle, but since I've regularly been using a miticide and insecticide, they seem to grow with the same vigor as all of my green clones.
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