How fast the roots will grow varies quite a bit. Vanda girl tells me that when she got her new vasco seedling, new roots began to grow after only 2 weeks. I have a new seedling as well, and it barely has any root left. Ours are in vase culture, soaked once a week, [I soaked mine twice, the first week] and misted once or twice a day. I put a little root hormone and superthrive in the water the first time I soaked.
My adult vanda and asco that lost a lot of roots, grew new ones in just a few weeks, perhaps 3 or 4.
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