There is no reliable and effective wasp repellent, no matter what various forums or articles on the internet may say. Social wasps nest in different settings depending on the species, so seeing what they look like and where they are coming/going may narrow-down which one you're dealing with. Could they be visiting flowers on those bushes? It's too early in the season for any wasp to have created a nest with multiple workers, and they do not re-use nests from a prior year, so they must start from scratch each year with one queen wasp building her own new nest, which they are only just starting to search for nest sites now.

Some ground-nesting bees are active now, but they do not bother people or create nests that they defend communally, so they are not a threat. Some bees that nest in cavities might investigate any openings in the side of a building, but they too don't cause any damage. Some yellowjacket wasps can start a nest in a wall void or roof soffit, but here too, there would not be several coming and going from the same nest until closer to summer. Either unnoticed flowers in or under the shrubs are drawing their attention for nectar or pollen, or perhaps a pest insect on those shrubs is what is attracting them (such as honeydew from scale insects). We can't really guess without seeing what the bee or wasp looks like. Carpenter bees are active now, and females of that species bore into wood (unpainted or unstained wood, usually), and the males merely hover around patrolling a territory looking for mates and rivals to chase away. They don't bother people other than investigating someone if they walk by a male's territory. You can learn more on the three web pages linked above.

There is no spray to use in this situation, but if you can get photos of any of the insects, we'll see if we can ID them.

Miri