Coreopsis native of North America.
Now in a love-hate relationship with Blue Mountains Residents.
Blue Mountains folklore tells us that these flowers, which now line the highways and railway lines of the Blue Mountains, grow because someone was homesick for the annual display of colour back in their home country; so scattered seeds from a train as it made its way up the mountain.
Beautiful isn't it?
This summer, maybe because of the excessively wet season, they haven't been so abundant.