Euonymus fortunei 'Emerald Gaiety' Hedge Plants Description. Euonymus fortunei 'Emerald Gaiety' is a compact variegated evergreen hedging plant that is similar to Euonymus 'Kathy'. For a colourful, green and gold variegated Euonymus hedge, see our range of Euonymus Emerald n Gold hedging. It will grow to around 1m and is very tolerant of clipping so it makes a wonderful low hedge.