This grower is fairly sure of this plant identification.
Japanese euonymus, Spindle tree
Euonymus japonicus ‘Ovatus Aureus’ (Japanese euonymus). Has dark green leaves with yellow rims and flowers in white shades.
They are fully to frost hardy and will need sun or semi-shade in any well drained soil. If grown in full sun, soil for evergreen species should not be very dry.
Hedging. Summer interest. Suitable for coastal conditions.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record