Below is a guide to the best time to control some of the invasive plants found in the HCCW. Due to variation in climatic conditions such as rainfall and temperture, the optimum time to control noxious plants may vary between HCCW Council areas. Futher advice on control can be obtained by contacting your local council Weed Officer.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| African Boxthorn | ||||||||||||
| Alligator Weed | ||||||||||||
| Bitou Bush | ||||||||||||
| Blackberry | ||||||||||||
| Chinese Violet | ||||||||||||
Control Legend |
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| Optimum | ||||||||||||
| Marginal | ||||||||||||
| Not Recommend |
