| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | — | — | — | — | — |
| February | — | — | — | — | — |
| March | — | — | — | — | — |
| April | 15 (Low) | 243 (High) | 15 (Low) | 19 (Low) | 5 (Low) |
| May | 38 (Medium) | 3 (Low) | 363 (Very high) | 38 (Medium) | 253 (High) |
| June | 15 (Low) | 4 (Low) | 265 (Very high) | 32 (Medium) | 192 (Medium) |
| July | 4 (Low) | 2 (Low) | 45 (Medium) | 3 (Low) | 5 (Low) |
| August | 1 (Low) | 1 (Low) | 5 (Low) | 3 (Low) | 5 (Low) |
| September | 1 (Low) | 3 (Low) | 4 (Low) | 1 (Low) | 3 (Low) |
| October | 11 (Low) | 3 (Low) | 0 (Low) | 0 (Low) | 2 (Low) |
| November | 24 (Low) | 3 (Low) | 5 (Low) | 1 (Low) | 1 (Low) |
| December | 92 (High) | 2 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |