Weed spraying at Cambridge Polo Grounds Date: 25 May 2026, 3:56 pm Category: Parks and Reserves Our team will be spraying for broadleaf weeds (Cape Weed) on Wednesday, May 27, from 7am to 10am. Please keep your pooches and any other animals off the grounds for at least two hours after the spraying has been completed. Find out more about spraying Spraying area highlighted in yellow.