In the Garden with Some Flowers in the Summer Wind
AugustA had already written a comment on the edp version, which for me also applies to the Extreme version in general. The edp Extreme is for me a bit calmer, rounder, and deeper, but less bright and effervescent compared to the edp.
In QFJS, I initially do not primarily find the floral scent that the name of the original suggests, but rather an enchanted garden with various types of flowers, a murmuring brook, a sunbeam falling through the greenery. Along with that, the smell of a meadow, which perhaps adds a bit of bitterness. The overall picture is peaceful, refreshing, airy. One walks through this garden surrounded by lemon powder and lingers hour after hour among well-tended and lush flower beds.
The scent in this intensified version, which feels softer and more powdery, also tells me a bit more about past times that never quite fade away, until it dissipates after a few hours in the summer wind.
I love all Houbigant fragrances so far, and I would probably love this one too, even the ones with a lot of white flowers. They all have that something you describe here. You can hardly pick out individual notes, yet each scent is different.