1) First of all, if that is potting soil w perlite, lose it. It deteriorates in tanks and perlite can be hazardous if ingested. Use coir w an amendment (husks, orchid bark, tree fern, etc.)
2) Wet soil never compensates for low humidity; Humidity is a measure of moisture in the air. It affects how quickly the plant loses water through transpiration. Got a a hygrometer? What is the reading?
3) For selaginellas, humidity should be >60 percent. Contrary to pop belief, they do not need Java moss humidity, i.e., saturation. Even moisture, good humidity and they should establish quickly.
4) For example, here is S. uncinata growing in a shade garden in the Bronx, w Maidenhair fern, Hemiboea, Dwarf Mondo grass and Begonia grandis. Beer can for scale--should have used Tsing Dao or Sapporo:
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It is deciduous here, in winter I cover it with pine branches.
2) Wet soil never compensates for low humidity; Humidity is a measure of moisture in the air. It affects how quickly the plant loses water through transpiration. Got a a hygrometer? What is the reading?
3) For selaginellas, humidity should be >60 percent. Contrary to pop belief, they do not need Java moss humidity, i.e., saturation. Even moisture, good humidity and they should establish quickly.
4) For example, here is S. uncinata growing in a shade garden in the Bronx, w Maidenhair fern, Hemiboea, Dwarf Mondo grass and Begonia grandis. Beer can for scale--should have used Tsing Dao or Sapporo:
It is deciduous here, in winter I cover it with pine branches.
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