| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 41 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 281 (Very high) | 0 (Low) | 8 (Low) | 0 (Low) | 0 (Low) |
| March | 260 (Very high) | 780 (Very high) | 12 (Low) | 3 (Low) | 0 (Low) |
| April | 3 (Low) | 35 (Medium) | 16 (Low) | 19 (Low) | 4 (Low) |
| May | 4 (Low) | 5 (Low) | 189 (Very high) | 36 (Medium) | 100 (Medium) |
| June | 4 (Low) | 0 (Low) | 176 (Very high) | 8 (Low) | 245 (High) |
| July | 1 (Low) | 0 (Low) | 31 (Medium) | 4 (Low) | 6 (Low) |
| August | 1 (Low) | 0 (Low) | 7 (Low) | 1 (Low) | 3 (Low) |
| September | 1 (Low) | 0 (Low) | 5 (Low) | 0 (Low) | 1 (Low) |
| October | 1 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 3 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |