Spraying is dependent on good weather conditions and can't take place during high winds or wet weather.
It takes two weeks for weeds to start dying off after they are sprayed.
| Ward | Start (2025) | Completed | Status | |
|---|---|---|---|---|
| 1 | Bromborough | 25 March | 27 March | |
| 2 | Eastham | 1 April | 3 April | |
| 3 | Hoylake and Meols | 4 April | 9 April | |
| 4 | West Kirby and Thurstaston | 10 April | 14 April | |
| 5 | Greasby, Frankby and Irby | 15 April | 25 April | 1 day rain, Easter Bank Holiday |
| 6 | Clatterbridge | 30 April | 2 May | |
| 7 | Pensby and Thingwall | 2 May | 3 May | Bank Holiday |
| 8 | Heswall | 3 May | 6 May | |
| 9 | Birkenhead and Tranmere | 7 May | 14 May | |
| 10 | Seacombe | 8 May | 16 May | |
| 11 | Liscard | 8 May | 19 May | |
| 12 | New Brighton | 14 May | In progress | Will be completed 20 May |
| 13 | Wallasey | 19 May | In progress | |
| 14 | Leasowe and Moreton East | Scheduled 20 May | ||
| 15 | Moreton West and Saughall Massie | Scheduled 21 May | ||
| 16 | Bidston and St James | Scheduled 27 May | Bank Holiday | |
| 17 | Upton | Scheduled 28 May | ||
| 18 | Claughton | Scheduled 29 May | ||
| 19 | Oxton | Scheduled 2 June | ||
| 20 | Prenton | Scheduled 3 June | ||
| 21 | Rock Ferry | Scheduled 4 June | ||
| 22 | Bebington | Scheduled 9 June |