They seem to be thriving, regardless of ant poisons sprayed around the windows. Outside the window are sill-high euryops shrubs. A. Ants prefer to make trails along structural elements, says UC master gardener Veronica Simpson. Cutting the euryops away from the house and windows might help to control the entry.
Ants are on the move in spring and fall.
Use of slow-acting baits along trails and nest openings are ideal, as worker ants take the bait back to the nest. Bait stations, ant stakes or 1 percent boric acid are easy to use and safe for the environment. Be sure to read product labels carefully and follow all instructions. They tend to lean toward the pool. Also, a daphne bush near the patio is leaning toward the patio.