Err.... I just realized that this thread was about speciosum and not scriptum. My bad.
I dont grow this one, but I have seen several of the growers here that do and the growing conditions are exactly the same. Lots of sun, lots of water during growth and well draining medium (large bark when young and probably lava rock or decorative bark often used on the ground in gardens when larger). I should tell you that the ones I have seen in bloom are not grown in pots. Theyre usually grown in VERY large baskets (probably made specially) that are measured in feet rather than inches!!
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