This Evergreen Shrub has a Secret! 🌼🐝❄️ The mahonia, with its spiny colourful leaves and impressive clusters of bright yellow winter flowers followed by purple berries, is loved by pollinators and is a great addition to the winter garden. But it’s mechanism to ensure pollination at a time of the year when flying insects are few and far between, is what makes this plant so special! If an insect lands in the flower this triggers the stamens to close around the insects body, it doesn’t intend to