An irrigation system ground spike for securing at least one component of an irrigation system includes a spike portion for penetrating soil to hold the ground spike in position and at least two holding portions. Each holding portion holds a respective component of an irrigation system wherein a first of the two holding portions differs from a second of the two portions so facilitating use of the spike for selectively securing respective different components. In particular one of the holding portions is arranged for holding tube or hose of a first diameter and another of the holding portions is arranged for holding tube or hose of a second diameter.