Hebe are evergreen shrubs or small trees, with paired, simple leaves and racemes or spikes of small, 4-lobed, tubular to salver-shaped flowers in summer and autumn
'Silver Queen' is a bushy, spreading evergreen shrub to 1m, with broadly elliptic leaves margined with creamy-yellow to white; purple flowers 10mm across are borne in short racemes from midsummer to autumn