This time we ask Colin what the little blue flags are around the tees?

Out marking 4 new irrigation upgrades at Croham Hurst this morning. Turning greens 4,10,12,18 from ‘one valve/4 heads’ to ‘7 valves/7 heads’ including apps and surrounds. With this upgrade the 4th green will become 50% (yes 50%!) bigger turning a…