Alyona perked at that, always appreciative of when people realised she knew things, or was good at things. "Thanks."
Alyona managed to bite back the dreamy look on her face as she imagined a nicely shaped devil's snare strangling her brother. She would love it forever and ever and call it Roger. "Perhaps sometime in the future." She said sedately, reminding herself that fratricide was largely frowned upon. "Perhaps closer to when my brother comes home from Hogwarts. He's not very good at Herbology."
"Yarrow?" Alyona suggested, cautiously, unsure if it work like she thought it would. It grew in Scotland, right? And everyone who went to Hogwarts knew how rare high sun was there.