With time 'JH' makes a large shrub, then a small tree, initially of dense habit, but spreading with age if left unpruned.

In trials in the United States, 'JH' was found to be virtually unaffected by the Elm Leaf Beetle Xanthogaleruca luteola [1].

'JH' is commonly found in cultivation in Europe and the United States,[9] where it is considered particularly suitable for small gardens, rockeries, low hedges, and bonsai.

The UK TROBI Champion grows at Talbot Manor in Norfolk, measuring 8 m high by 28 cm d.b.h.

in 2006 [11] In keeping with the ancient tradition of planting funerary elms to commemorate the dead, specimens of 'Jacqueline Hillier' were planted on either side of the memorial to the dead in the Quintinshill rail disaster, Britain's worst rail disaster, in Rosebank Cemetery, Edinburgh.