It's probably a combination of everything but I'm sure your wife's care is the deciding factor. There are so many beautiful varieties of lilies and this is one of them.
It's a real beauty, Raj...I have heard on the news that some parts of Europe are having very hot, humid temps...if that is the case with you, your lily is loving it as it appears very healthy and thriving...lovely post for FF.
I'm sure the flowers like being farther up towards the light Raj - I know ours always did on the 3rd floor and now here on the 6th my geranium seems to be thriving. Of course I feed it every 10 days which I've always found helpful.
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