No, it is not.

[Sieglinde shook her head, gesturing to the forest behind them.]

Though some of the denizens of these woods are magical in nature, I have yet to find any plants with inherent magical properties.

[Not any that she knew from myths and stories, at any rate. Though she called herself a witch, what she'd done in her world had primarily been scientific- though she'd put "enchantments" on those concoctions she'd come up with.

But that didn't make the plants themselves magical in her eyes.]