1 Salvia nemorosa from the mildly aromatic silvery green leaves to the violet flower spikes with purple stems. Bees love the flowers that stay looking sharp long after the petals fall, thanks to papery bracts that hold their colour.
Hebe Carl Teschner ) Position: full sun or partial shade Soil: poor or moderately fertile, moist, well-drained neutral to slightly alkaline soil Rate of growth: average Flowering period: June-August Hardiness: fully hardy
Verbena bonariensis is a great herbaceous perennial which grows up to around in height, seeding itself all over the place. Despite its height, it is not a dense plant and therefore can be planted anywhere in the border as you can see through it.