a flowering plant with fern-like foliage

Standing about a foot high, this slender-stemmed plant bears paired leaves, whose frond-like structure gives them a fern-like appearance. But atop each stem, and in pairs lower down the stalks, are small clusters of flowers.

You need to pick it up first.

You identify a flowering plant with fern-like foliage.
It is an unsellable plant.
It weighs five pounds and one ounce, and it is worth about twelve silver.
Its keywords are plant, flowering, and valerian.