I think when they grow well, they do it in spite of us and not because of us. I have friends with orchids in the same sphag as they started out in...never repotted...and the flowers are huge and frequent. One grows hers in individual glass jars, and claims they are never out of bloom. I get good potting mix, watch over them, and stop just short of playing Mozart in the greenhouse, and if I get one good bloom and one half-hearted one, it's been a good year. I don't know what matters most: water, light, potting mix, humidity, or something I don't know about. I was watering all my phals at least once a week because the sphrag was totally dried out. Some grew great roots and leaves, and some just sat there listlessly. A few rotted. I have a long way to go before I understand them.
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