MAY | ||
| to June 30 | Wild View in the Gardens | Wakehurst Place |
| 1 – 31 | Chinese Plant Extravaganza | All |
| 4 | Spring Flower Sunday (guided walks) | Wakehurst Place |
| 5 | Spring Fair | High Beeches |
| 7 | Garden Workshops: Perfect Compost and Green Gardening | Nymans |
| 7 – 11 | Compost Week | Nymans |
| 11 | Spring Flower Sunday (bus tours around the estate) | Wakehurst Place |
| 11 | Veteran Car Meet | Leonardslee |
| 14 | Woodland Walks: Plant Folklore | Nymans |
| 14 – 18 | Spinners and Weavers | Nymans |
| 24 – 26 | Bonsai Weekend | High Beeches |
| 25 | National Gardens Scheme | High Beeches |
| 25 – 26 | British Eventing Borde Hill Horse Trials | Borde Hill |
| 31 | Hunter Trials | Borde Hill |
