For blueberry syrup:

1. Place the water, sugar, and blueberries into a small saucepan over med-high heat.
2. Once the sugar has dissolved, add the lavender buds and bring to a boil.
3. Mash up the berries while stirring constantly.
4. Boil for 4-5 minutes and then remove from the heat.
5. Allow the mixture to steep in the pan until it is completely cool, about 1 hour.
6. Strain the solids from the liquid using a fine-mesh strainer and discard.

For the cocktail:

1. Combine scotch, blueberry lavender syrup and lemon juice in a shaker.
2. Shake, strain, and serve over Ice.
3. Top with Ginger Beer