cool idea, but the flowers don't want to grow in the part of the bucket that is shaded. this person must have just planted these flowers because there is no way the pansies inside the bucket would bloom.
Perennial-- Penstemon Strawberries & Cream. Oblivious of drought or rain, resists slugs & other pests, positively thrives in most soil conditions in containers or borders, sun or part shade and propagates painlessly! Attracts Bees And Butterflies, Drought Tolerant, Flowers For Cutting/Drying, Pest Resistant, Suitable for Containers. Blooms June to November often longer. Unfussy on soil conditions as long as it well-drained. Full sun or partial shade.