anthurium scherzerianum hybrids

     on the topic of plants in offices, there were a few in this list who=20
     suggested a. scherzerianum
     i have one at home, which i bought as a large plant with seven=20
     inflorescences (white) more than a year ago.  it has been declining=20
     since.  i get a lot of new growths, but the leaves never get as big=20
     as the ones they came with and eventually they turn brown.  i water=20
     it very little because i think the browning of the leaves is caused=20
     by overwatering.  i still haven't got rid of it because the rhizome=20
     seem to be very large and still puts out new growth all the time, (in=20
     other words, it is still alive, i hardly ever throw out a live=20
     any tips on how to cultivate it indoors?  specifically, 1) what kind=20
     of substrate should i use?  peat?  loam?  epiphyte mix?, 2) how much=20
     watering does it need?,  3) light requirements?  i also hear people=20
     who say fancy anthuriums are not good houseplants.  what do you=20
     also, in regards to the variety a. scherzerianum 'rotschildianum': i=20
     first saw it in a picture in the logee's catalogue.  that version, is=20
     a rather elliptic "normal" spathe, creamy with red dots, and a screwy=20
     spadix.  i recently visited someone's greenhouse and he was growing a=20
     'rothschildianum' that looked very different.  the spathe was very=20
     large and almost rectangular, it was mostly red but still had the=20
     screwy, pig-tailed spadix.  does anyone know which is the true roth?
     tsuh yang chen, new york city

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