Hamamelis x intermedia 'Arnold Promise' (Hybrid Witch hazel).
Non-evergreen shrub/tree with green leaves and scented yellow flowers in Winter and Spring.
Other benefits: black bark and yellow/orange foliage in Autumn.
Height+Spread (approx) at 10yrs: 2m x 1.8m
Position: likes sun and part shade
Soil pH: Acid (ericaceous), Neutral
Moisture: likes well drained soil, moisture retentive soil.
Hardiness: Full hardy