White Flowering Quince A small deciduous thorny shrub, best known for its beautiful clusters of white coloured flowers, It fits into most gardens, where it is guaranteed to brighten any corner on an otherwise dull Spring day. Chaenomeles x superba Jet trail can also be used as part of a low flowering hedge. Site: Requires some shelterSoil: Any well-drained soil, must not be too dampPosition: Full sun, some shadeSeason of Interest: Spring flowersHardiness: Hardy Height: 3-4ft (1-1.2 m) Spread: 3-4ft (1-1.2m)