All summer long this border plant provides huge drooping bells on upright stems. They are violet blue in colour and very graceful. Height 75 cm. Spread 45 cm
A tidy mound of slender stems with large drooping purple-blue bells in early to mid Summer. Very floriferous. Prefers a sun or partial shade position. Height 15cm. Spread 30cm.
The double lilac blue flowers seem to have one flower inside another flower, making them striking and extra frilly. Flowering during the summer months. Height 90 cm. Spread 60 cm.
The brilliant blue flowers that appear in July and August have a darker centre and resemble cornflowers. Suitable for drying. Height 60 cm. Spread 30 cm
A well known plant from olden days. Ideally put at the back of a border, where its dark blue flower spikes with their white centres will be spectacular. Needs some support. Height 150 cm. Spread 60 cm.
Often grown as an architectural plant for its shapely leaves, the dark blue flowerheads in summer will attract many butterflies and bees to your border, Height 100 cm. Spread 45 cm.
To add an exotic touch to the garden, this plant will produce a magnificent tall, blue flower spikes every second year over silver green foliage. Spikes up to 400 cm. Can be very irritant to the skin.
The silver veined dark green foliage is very impressive when it reappears. The stiff steely blue flowerstems and flowers add to its magic in summer. Height 60 cm. Spread 40 cm.
A very good choice to add colour to the front of a border or container. Plant is a silvery blue all over and the flowerhead is made up of 100s of small flowers. Height 30 cm. Spread 25 cm
