Grevillea robusta is a tree that can reach a height of 10 to 25 meters. It belongs to the Proteaceae family. The notable characteristics of Grevillea robusta include its flowers being pollinated by birds, bees, and squirrels, and their nectar serving as a food source for them. It does not have any special care requirements. The flowering period of Grevillea robusta typically occurs between March and May, while the fruiting period takes place from June to August. 

Reference: https://www.greening.gov.hk/en/community-outreach/qrcode-tree-labels/index.html