Lavender is an herb that is highly useful in many spells, potions, and various arcane research. Though plentiful in the magical and mundane worlds.  My herbal gardens have been carefully maintained over the centuries, and most of my plants are from the original genus and have been proven to offer a more powerful extract than current generations of the same plant found today. Thus, providing ample opportunity to collect them and bring them to you. Corked and sealed in a vial, to preserve its potency. Sufficient for all magical potions, magical studies, and spell components.