I've got hygro angustifolia and compact emersed currently growing out of the tank and filter, I've also had difformis emersed as well. They seem to do better than crypts and anubias do in low humidity environments, they're both several inches to a foot above the surface on an open to tank
Im growing some Hygrophila Pinnatifida trimmings out of my refugium and its doing fine so far. If it survives im going to transplant it into my emerged growth tank and grow it out. I currently have Sandriana (chinese dermensis) and Acorus grass growing emerged as well. And from what I've read most stem plants can fair well above the water line. Humidity is the real factor. If your house tends to be a bit dry and arid try misting the plants once or twice a day to help the acclimatize.
I've also got some AR, bronze crypts (not a stem) pennywort, micro sword and baby tears all growing emmersed. I'm also seeing some encouraging signs from my ludwigia and cardianl plants that they are slowly adapting to lower humidity growth.
My Hygrophila difformis grew out of the tank and adjusted to my room humidity very well believe it or not. However, it eventually died when I moved the acclimated stem to a shaded part of my room, and it couldn't supply itself with photosynthesis. And ditto, because of this, I believe Hygrophila are more adaptable to lower humidity than Anubias.
The bowls in question will be lit by a south facing window about 8-9 ft away, so there should be plenty of light for a tolerant plant like Hygrophila corymbosa or H. difformis. Pity H. polysperma is considered a noxious weed in the US...I'd love to have the sunset variant.
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