Armeria maritima 'Armada White' (Thrift 'Armada White'): An old fashioned cottage garden favourite. Makes a neat clump of evergreen foliage with white pom-pom flowers suffused with pink. Hardy. Height to 20cm.

Eryngium planum 'Blue Hobbit' (Sea Holly 'Blue Hobbit'): A more compact form with steely blue flowers on dark stems. Spiny glaucous foliage. Loves sunshine and very well-drained gritty soil. Hardy. Up to 30cm. [Collect Only]

Hosta 'Devon Green': Elegant hosta with tapering, dark green, fine-veined leaves. Lilac flowers in summer