Magnolia stellata

Magnolia stellata, or Star Magnolia, is a slow-growing medium-sized deciduous shrub/tree of broadly rounded habit. White, gently fragrant star-shaped flowers appear from silky buds in early spring before the mature dark green leaves

Ultimate height 1.5–2.5 metres in 10–20 years
Ultimate spread 2.5–4 metres
Full sun/partial shade, in a south, west or east facing sheltered location
Moderately hardy