The leaves are dark green edged in bright golden-yellow. Corokia cotoneaster 'Sunsplash' looks like it is lit from within. The colour is most intense in full sun. The yellow edges practically glow against the dark green centres. The leaves are small, oval-shaped, and leathery. They have a slightly wavy margin. The stems are dark and wiry. They branch to form an upright, bushy shrub. A plant that wears its best colours in the light. The plant produces small, star-shaped yellow flowers in spring. The flowers are not large or showy. But they are numerous. They attract native bees. They are followed by bright red berries that persist into winter. These provide food for birds. The combination of variegated foliage, yellow flowers, and red berries makes this cultivar a year-round performer. A plant that gives all year. Sunsplash Corokia is extremely hardy. It tolerates wind, salt spray and drought. It is excellent for hedging. It adds colour to coastal gardens. Its bright foliage stands out against the grey-green of other coastal plants. The variegation is stable. The plant does not revert to all-green foliage. The cultivar was bred for its striking variegated foliage. It is named Sunsplash for the golden-yellow edges. They look like sunlight splashing on the leaves. To find Sunsplash Corokia is to look in the gardens of New Zealand. The coastal garden is windy. The corokia glows. Dark green leaves edged with gold. Yellow flowers bright against the grey sky. The bees buzz. The berries redden. The plant does not know it is a cultivar. It does not know it is named for sunlight. It just grows. That is what it was made to do. This cultivar was bred for its striking variegated foliage. It is named Sunsplash for the golden-yellow edges that look like sunlight on the leaves. It is a favourite for adding brightness to garden plantings. It has no traditional Māori significance. It is a modern cultivar. It represents the adaptation of native plants for ornamental use. It brings colour and interest to New Zealand gardens.