The strongest smell bees hate is peppermint. Citronella and eucalyptus work great too. Cinnamon and vinegar also push bees away fast. These scents overload a bee's nose and make her fly off in the other direction. You can use any of them to keep bees away from your outdoor eating areas and doorways without hurting them.
I tested peppermint oil near my back patio last summer when bees kept buzzing around our dinner plates. I soaked a few cotton balls in peppermint oil and set them in small dishes at each corner of the table. The bees that had been circling our food stopped showing up within minutes. My mason bees nesting 40 feet away on the garden fence kept working their flowers with no trouble. When I first tried this trick, I worried it would chase all the bees from my yard. It only worked right where I placed it.
The biology behind this is simple. Your bees use their antennae to smell flower nectar from far away. Those antennae hold thousands of scent receptors tuned to pick up faint signals. Strong oils like peppermint and eucalyptus flood those receptors with noise. Your bee can't smell flowers through all that chemical buzz. So she leaves the area to find food somewhere quieter. Think of it like trying to hear your friend talk at a loud concert.
You have plenty of scents that repel bees to choose from. Each one fits a different spot around your home depending on where you need bees to stay away from.
Using a natural bee repellent is the smart choice for you and your garden. Pesticides kill bees on contact and hurt the pollinators your plants need to produce food. Scent-based options just redirect your bee traffic. The bees fly to a different area and find flowers there. Nobody gets hurt and your garden still gets the pollination it needs.
One rule you should follow though. Never place these scents near your mason bee houses or your pollinator garden beds. You want to make bee-free zones where your family eats, not push bees out of your whole yard. Keep your dining area and your bee houses on opposite sides of your property. That way you and your bees both stay happy with the setup.
Read the full article: Mason Bees: Your Garden Pollinator