Black Horehound (Ballota nigra) is a great plant for wildlife on green roofs. It is a perennial, with heart-shaped, bright green, toothed leaves that turn black once the plant has flowered. The stems go a purple/black as well. But it is the mauve/pink flowers that make it a star plant for bees, butterflies and other [...]
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Flax (Linaceae) can be found on green roofs throughout the northern temperate world. A bright yellow plant of dry pastures, grassy slopes and well-drained calcareous soils the Bulbous buttercup (Ranunculus bulbosus) is well suited to extensive green roofs of a reasonable depth -greater than 100mm). The green roof installed in Sennen Cove, near Land’s End Cornwall has past through it’s first winter. Considering the weather in Cornwall this winter the roof is doing really well. It is probably the first and the last green roof in England as the pub up in Sennen itself is called this. Wild thyme is a native perennial that forms a scented cushion or mat of pink flowers. It can be found in a variety of dry grassland habitats from in chalk to heaths to cliffs to dunes. |
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