oregon grape or holly leaved barberry or mahonia aquafolium in zurich in switzerland

zurich switzerland park garden botanic plant flower climate environment nature view sight scenery biology rural vivid fragile beautiful attractive season colorful growth bloom blossom seed leaf petal bed fresh green urban public visitor flora herbs aroma scent agriculture culture majestic handsome adorable oregon grape holly barberry mahonia aquafolium species vegetation leaved april 2023 botanical