Previous Las Rozas — 2026
| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 474 | 0 | 1 | 0 | 0 |
| February | 995 | 0 | 5 | 1 | 0 |
| March | 300 | 96 | 6 | 2 | 0 |
| April | — | — | — | 4 | 149 |
| May | — | — | — | 15 | 144 |
| June | — | — | — | — | — |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | — | — | — | — | — |