Nepenthes tenuis is highly sought after for its super cute, tubby pitchers but is a bit tricky to grow. Nepenthes spathulata always adds vigor and size to any hybrid so these should have all the charm and tubbiness of tenuis with the slighty bigger pitchers of spathulata and will be happy to grow on your windowsill.
These are from assorted clones in tissue culture, BE-3981
Sun: Grow on sunny windowsills with at least three hours of direct sun, in greenhouses, or a terrarium with fluorescent light
Water: Water with distilled or purified water frequently, do not let the pots sit in water for long periods of time but be sure to keep the potting medium moist all the time
Temperature: Daytime temperatures in the 70’s-80’s with a 10-20 degree drop in night temps
Dormancy: none needed