Variegated Euonymus fortunei is a wonderful, hardworking plant in the garden, providing year-round structure and bright splashes of colour. Whether you have ‘Emerald ‘n’ Gold’ or ‘Emerald Gaiety’, those variegated leaves are usually the whole reason you chose the plant in the first place. However, every now and then, you might spot something a little odd—a branch suddenly growing plain, solid green leaves. It’s almost like the plant is having an identity crisis, but it is actually a natural process called reversion.

When a variegated plant decides to go back to its original, solid-coloured roots, it is prioritising efficiency over style. Those green shoots contain more chlorophyll, which makes them much more vigorous and dominant than the variegated foliage. If you leave these green shoots alone, they will almost always win the competition for energy and sunlight. Over time, the aggressive green growth will completely take over, and your lovely, patterned shrub will eventually turn into a plain green one. It is a slow takeover, but if you do not intervene, the variegated character will be lost forever.

The fix is straightforward, but it requires being a bit ruthless. You need to identify every single one of those solid green stems and cut them off. Do not just trim the tips or give the plant a light haircut. You must trace those green shoots all the way back to their origin point—usually where they sprout from a main branch or even from the base of the plant—and prune them right back to that base. It might feel like you are removing a significant portion of the plant, especially if the green growth has been allowed to develop for a while, but it is the only way to save the aesthetic. By removing the competition, you allow the variegated sections to thrive once more. A quick check once or twice a season is all it really takes to keep your plant looking exactly the way it should.